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40137270400 = 275212542897
BaseRepresentation
bin100101011000010111…
…100010010010000000
310211121020100121002101
4211120113202102000
51124200120123100
630234441000144
72620432112023
oct453027422200
9124536317071
1040137270400
1116027496357
127941a83054
133a28645356
141d2a9011ba
15109da9e86a
hex9585e2480

40137270400 has 48 divisors (see below), whose sum is σ = 99151608690. Its totient is φ = 16054906880.

The previous prime is 40137270389. The next prime is 40137270401. The reversal of 40137270400 is 407273104.

It can be written as a sum of positive squares in 3 ways, for example, as 38582387776 + 1554882624 = 196424^2 + 39432^2 .

It is a super-2 number, since 2×401372704002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40137270401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6268249 + ... + 6274648.

Almost surely, 240137270400 is an apocalyptic number.

40137270400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40137270400 is an abundant number, since it is smaller than the sum of its proper divisors (59014338290).

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

40137270400 is a wasteful number, since it uses less digits than its factorization.

40137270400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12542921 (or 12542904 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 40137270400 in words is "forty billion, one hundred thirty-seven million, two hundred seventy thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 12542897 25085794 50171588 62714485 100343176 125428970 200686352 250857940 313572425 401372704 501715880 627144850 802745408 1003431760 1254289700 1605490816 2006863520 2508579400 4013727040 5017158800 8027454080 10034317600 20068635200 40137270400