56726311563630 has 96 divisors (see below), whose sum is σ = 149917887007200. Its totient is φ = 14877877789440.

The previous prime is 56726311563583. The next prime is 56726311563631. The reversal of 56726311563630 is 3636511362765.

56726311563630 is a `hidden beast` number, since 5 + 6 + 7 + 2 + 6 + 3 + 11 + 563 + 63 + 0 = 666.

It is a super-2 number, since 2×56726311563630² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56726311563631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71519104 + ... + 72307916.

It is an arithmetic number, because the mean of its divisors is an integer number (1561644656325).

Almost surely, 2^{56726311563630} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56726311563630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74958943503600).

56726311563630 is an abundant number, since it is smaller than the sum of its proper divisors (93191575443570).

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

56726311563630 is a wasteful number, since it uses less digits than its factorization.

56726311563630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801986 (or 801983 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 54.

The spelling of 56726311563630 in words is "fifty-six trillion, seven hundred twenty-six billion, three hundred eleven million, five hundred sixty-three thousand, six hundred thirty".