791424079056 has 160 divisors (see below), whose sum is σ = 2468076616320. Its totient is φ = 241359906816.

The previous prime is 791424079049. The next prime is 791424079073. The reversal of 791424079056 is 650970424197.

791424079056 is a `hidden beast` number, since 7 + 9 + 142 + 407 + 90 + 5 + 6 = 666.

It is a super-2 number, since 2×791424079056² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 791424078993 and 791424079011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11055 + ... + 1258161.

It is an arithmetic number, because the mean of its divisors is an integer number (15425478852).

Almost surely, 2^791424079056 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 791424079056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234038308160).

791424079056 is an abundant number, since it is smaller than the sum of its proper divisors (1676652537264).

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

791424079056 is a wasteful number, since it uses less digits than its factorization.

791424079056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247250 (or 1247238 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 791424079056 in words is "seven hundred ninety-one billion, four hundred twenty-four million, seventy-nine thousand, fifty-six".