40030625656 has 48 divisors (see below), whose sum is σ = 87354091440. Its totient is φ = 17147652480.

The previous prime is 40030625651. The next prime is 40030625671. The reversal of 40030625656 is 65652603004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030625651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820261 + ... + 867691.

It is an arithmetic number, because the mean of its divisors is an integer number (1819876905).

Almost surely, 2^40030625656 is an apocalyptic number.

It is an amenable number.

40030625656 is an abundant number, since it is smaller than the sum of its proper divisors (47323465784).

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

40030625656 is a wasteful number, since it uses less digits than its factorization.

40030625656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49604 (or 49593 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 40030625656 in words is "forty billion, thirty million, six hundred twenty-five thousand, six hundred fifty-six".