40787261028936 has 80 divisors (see below), whose sum is σ = 114265901058540. Its totient is φ = 13592920780800.

The previous prime is 40787261028863. The next prime is 40787261028949. The reversal of 40787261028936 is 63982016278704.

40787261028936 is a `hidden beast` number, since 4 + 0 + 7 + 8 + 7 + 2 + 610 + 2 + 8 + 9 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39850055036100 + 937205992836 = 6312690^2 + 968094^2 .

It is a super-2 number, since 2×40787261028936² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3444181 + ... + 9666276.

Almost surely, 2^{40787261028936} is an apocalyptic number.

It is an amenable number.

40787261028936 is an abundant number, since it is smaller than the sum of its proper divisors (73478640029604).

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

40787261028936 is a wasteful number, since it uses less digits than its factorization.

40787261028936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13115276 (or 13115263 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 40787261028936 in words is "forty trillion, seven hundred eighty-seven billion, two hundred sixty-one million, twenty-eight thousand, nine hundred thirty-six".