791644934420 has 24 divisors (see below), whose sum is σ = 1668588891648. Its totient is φ = 315489492000.

The previous prime is 791644934417. The next prime is 791644934467. The reversal of 791644934420 is 24439446197.

It is a super-2 number, since 2×791644934420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73024556 + ... + 73035395.

It is an arithmetic number, because the mean of its divisors is an integer number (69524537152).

Almost surely, 2^791644934420 is an apocalyptic number.

It is an amenable number.

791644934420 is an abundant number, since it is smaller than the sum of its proper divisors (876943957228).

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

791644934420 is a wasteful number, since it uses less digits than its factorization.

791644934420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146060231 (or 146060229 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 791644934420 in words is "seven hundred ninety-one billion, six hundred forty-four million, nine hundred thirty-four thousand, four hundred twenty".