40502663032656 has 120 divisors (see below), whose sum is σ = 115022317635232. Its totient is φ = 12272069779200.

The previous prime is 40502663032627. The next prime is 40502663032697. The reversal of 40502663032656 is 65623036620504.

It is a happy number.

40502663032656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48764526 + ... + 49588146.

Almost surely, 2^{40502663032656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40502663032656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57511158817616).

40502663032656 is an abundant number, since it is smaller than the sum of its proper divisors (74519654602576).

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

40502663032656 is a wasteful number, since it uses less digits than its factorization.

40502663032656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832121 (or 832104 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 40502663032656 in words is "forty trillion, five hundred two billion, six hundred sixty-three million, thirty-two thousand, six hundred fifty-six".