40636456156 has 12 divisors (see below), whose sum is σ = 71550080392. Its totient is φ = 20193576048.

The previous prime is 40636456139. The next prime is 40636456181. The reversal of 40636456156 is 65165463604.

It is a happy number.

It is a super-3 number, since 3×40636456156³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 31162275 + ... + 31163578.

Almost surely, 2^40636456156 is an apocalyptic number.

It is an amenable number.

40636456156 is a deficient number, since it is larger than the sum of its proper divisors (30913624236).

40636456156 is a wasteful number, since it uses less digits than its factorization.

40636456156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62326020 (or 62326018 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 40636456156 in words is "forty billion, six hundred thirty-six million, four hundred fifty-six thousand, one hundred fifty-six".