791840356056 has 384 divisors, whose sum is σ = 2325226176000. Its totient is φ = 242929612800.

The previous prime is 791840356049. The next prime is 791840356063. The reversal of 791840356056 is 650653048197.

791840356056 is a `hidden beast` number, since 79 + 1 + 8 + 4 + 0 + 3 + 560 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (791840356049) and next prime (791840356063).

It is a super-2 number, since 2×791840356056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 791840355993 and 791840356011.

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 95 ways as a sum of consecutive naturals, for example, 1065733621 + ... + 1065734363.

It is an arithmetic number, because the mean of its divisors is an integer number (6055276500).

Almost surely, 2^791840356056 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 791840356056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162613088000).

791840356056 is an abundant number, since it is smaller than the sum of its proper divisors (1533385819944).

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

791840356056 is a wasteful number, since it uses less digits than its factorization.

791840356056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 791840356056 in words is "seven hundred ninety-one billion, eight hundred forty million, three hundred fifty-six thousand, fifty-six".