56016939863040 has 1408 divisors, whose sum is σ = 207211811143680. Its totient is φ = 12808917614592.

The previous prime is 56016939863039. The next prime is 56016939863107. The reversal of 56016939863040 is 4036893961065.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30003716187 + ... + 30003718053.

Almost surely, 2^{56016939863040} 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 56016939863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103605905571840).

56016939863040 is an abundant number, since it is smaller than the sum of its proper divisors (151194871280640).

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

56016939863040 is a wasteful number, since it uses less digits than its factorization.

56016939863040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 56016939863040 in words is "fifty-six trillion, sixteen billion, nine hundred thirty-nine million, eight hundred sixty-three thousand, forty".