40902556136 has 32 divisors (see below), whose sum is σ = 82619762400. Its totient is φ = 18871688640.

The previous prime is 40902556133. The next prime is 40902556157. The reversal of 40902556136 is 63165520904.

It is a junction number, because it is equal to n+sod(n) for n = 40902556093 and 40902556102.

It is not an unprimeable number, because it can be changed into a prime (40902556133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247835 + ... + 378453.

It is an arithmetic number, because the mean of its divisors is an integer number (2581867575).

Almost surely, 2^40902556136 is an apocalyptic number.

It is an amenable number.

40902556136 is an abundant number, since it is smaller than the sum of its proper divisors (41717206264).

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

40902556136 is a wasteful number, since it uses less digits than its factorization.

40902556136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133649 (or 133645 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 40902556136 in words is "forty billion, nine hundred two million, five hundred fifty-six thousand, one hundred thirty-six".