40866402456 has 96 divisors (see below), whose sum is σ = 120781861200. Its totient is φ = 12379633920.

The previous prime is 40866402419. The next prime is 40866402463. The reversal of 40866402456 is 65420466804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3063930 + ... + 3077238.

Almost surely, 2^40866402456 is an apocalyptic number.

It is an amenable number.

40866402456 is an abundant number, since it is smaller than the sum of its proper divisors (79915458744).

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

40866402456 is a wasteful number, since it uses less digits than its factorization.

40866402456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17209 (or 17202 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 40866402456 in words is "forty billion, eight hundred sixty-six million, four hundred two thousand, four hundred fifty-six".