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42245200240 = 2452396173581
BaseRepresentation
bin100111010110000000…
…101001100101110000
311001001010210112012221
4213112000221211300
51143004232401430
631223541130424
73023606164045
oct472600514560
9131033715187
1042245200240
1116a09350231
12822b9b9a14
133ca327b709
14208a8531cc
151173b8157a
hex9d6029970

42245200240 has 80 divisors (see below), whose sum is σ = 98818496640. Its totient is φ = 16795412480.

The previous prime is 42245200201. The next prime is 42245200241. The reversal of 42245200240 is 4200254224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42245200241) 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, 11795250 + ... + 11798830.

It is an arithmetic number, because the mean of its divisors is an integer number (1235231208).

Almost surely, 242245200240 is an apocalyptic number.

42245200240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42245200240 is an abundant number, since it is smaller than the sum of its proper divisors (56573296400).

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

42245200240 is a wasteful number, since it uses less digits than its factorization.

42245200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 42245200240 its reverse (4200254224), we get a palindrome (46445454464).

The spelling of 42245200240 in words is "forty-two billion, two hundred forty-five million, two hundred thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 239 478 617 956 1195 1234 1912 2390 2468 3085 3581 3824 4780 4936 6170 7162 9560 9872 12340 14324 17905 19120 24680 28648 35810 49360 57296 71620 143240 147463 286480 294926 589852 737315 855859 1179704 1474630 1711718 2209477 2359408 2949260 3423436 4279295 4418954 5898520 6846872 8558590 8837908 11047385 11797040 13693744 17117180 17675816 22094770 34234360 35351632 44189540 68468720 88379080 176758160 528065003 1056130006 2112260012 2640325015 4224520024 5280650030 8449040048 10561300060 21122600120 42245200240