40440565036 has 12 divisors (see below), whose sum is σ = 73053924160. Its totient is φ = 19568015280.

The previous prime is 40440565027. The next prime is 40440565043. The reversal of 40440565036 is 63056504404.

It is a junction number, because it is equal to n+sod(n) for n = 40440564986 and 40440565004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163066671 + ... + 163066918.

Almost surely, 2^40440565036 is an apocalyptic number.

It is an amenable number.

40440565036 is a deficient number, since it is larger than the sum of its proper divisors (32613359124).

40440565036 is a wasteful number, since it uses less digits than its factorization.

40440565036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326133624 (or 326133622 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 40440565036 in words is "forty billion, four hundred forty million, five hundred sixty-five thousand, thirty-six".