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42214012142440 = 23519238287291419
BaseRepresentation
bin10011001100100101101110…
…01100101100001101101000
312112110121202002101010122111
421212102313030230031220
521013113244102024230
6225440503252132104
711614601400536035
oct1146226714541550
9175417662333574
1042214012142440
11124a5953379066
124899437307034
131a729c211b938
14a5d251da438c
154d313b39e92a
hex2664b732c368

42214012142440 has 128 divisors (see below), whose sum is σ = 104340483072000. Its totient is φ = 15299472976128.

The previous prime is 42214012142431. The next prime is 42214012142453. The reversal of 42214012142440 is 4424121041224.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144711051 + ... + 145002469.

It is an arithmetic number, because the mean of its divisors is an integer number (815160024000).

Almost surely, 242214012142440 is an apocalyptic number.

42214012142440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42214012142440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52170241536000).

42214012142440 is an abundant number, since it is smaller than the sum of its proper divisors (62126470929560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42214012142440 is a wasteful number, since it uses less digits than its factorization.

42214012142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299759 (or 299755 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 42214012142440 its reverse (4424121041224), we get a palindrome (46638133183664).

The spelling of 42214012142440 in words is "forty-two trillion, two hundred fourteen billion, twelve million, one hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 19 20 23 38 40 46 76 92 95 115 152 184 190 230 380 437 460 760 874 920 1748 2185 3496 4370 8287 8740 16574 17480 33148 41435 66296 82870 157453 165740 190601 291419 314906 331480 381202 582838 629812 762404 787265 953005 1165676 1259624 1457095 1524808 1574530 1906010 2331352 2914190 3149060 3621419 3812020 5536961 5828380 6298120 6702637 7242838 7624040 11073922 11656760 13405274 14485676 18107095 22147844 26810548 27684805 28971352 33513185 36214190 44295688 53621096 55369610 67026370 72428380 110739220 127350103 134052740 144856760 221478440 254700206 268105480 509400412 636750515 1018800824 1273501030 2414989253 2547002060 4829978506 5094004120 9659957012 12074946265 19319914024 24149892530 45884795807 48299785060 55544752819 91769591614 96599570120 111089505638 183539183228 222179011276 229423979035 277723764095 367078366456 444358022552 458847958070 555447528190 917695916140 1055350303561 1110895056380 1835391832280 2110700607122 2221790112760 4221401214244 5276751517805 8442802428488 10553503035610 21107006071220 42214012142440