Search a number
-
+
404224200240 = 24357240609643
BaseRepresentation
bin1011110000111011010…
…00111100111000110000
31102122101002010222100120
411320131220330320300
523110322343401430
6505410435250240
741130024003420
oct5703550747060
91378332128316
10404224200240
11146481028583
1266411a49980
132c16c83b203
14157c91d8480
15a7ac6a8610
hex5e1da3ce30

404224200240 has 80 divisors (see below), whose sum is σ = 1432108601088. Its totient is φ = 92394102528.

The previous prime is 404224200239. The next prime is 404224200241. The reversal of 404224200240 is 42002422404.

It is an interprime number because it is at equal distance from previous prime (404224200239) and next prime (404224200241).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×4042242002403 (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 404224200240.

It is not an unprimeable number, because it can be changed into a prime (404224200241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120303142 + ... + 120306501.

Almost surely, 2404224200240 is an apocalyptic number.

404224200240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404224200240 is an abundant number, since it is smaller than the sum of its proper divisors (1027884400848).

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

404224200240 is a wasteful number, since it uses less digits than its factorization.

404224200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240609666 (or 240609660 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404224200240 its reverse (42002422404), we get a palindrome (446226622644).

The spelling of 404224200240 in words is "four hundred four billion, two hundred twenty-four million, two hundred thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 240609643 481219286 721828929 962438572 1203048215 1443657858 1684267501 1924877144 2406096430 2887315716 3368535002 3609144645 3849754288 4812192860 5052802503 5774631432 6737070004 7218289290 8421337505 9624385720 10105605006 11549262864 13474140008 14436578580 16842675010 19248771440 20211210012 25264012515 26948280016 28873157160 33685350020 40422420024 50528025030 57746314320 67370700040 80844840048 101056050060 134741400080 202112100120 404224200240