791676971440 has 40 divisors (see below), whose sum is σ = 1844308394208. Its totient is φ = 316041208320.

The previous prime is 791676971417. The next prime is 791676971461. The reversal of 791676971440 is 44179676197.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9796701 + ... + 9877180.

Almost surely, 2^791676971440 is an apocalyptic number.

It is an amenable number.

791676971440 is an abundant number, since it is smaller than the sum of its proper divisors (1052631422768).

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

791676971440 is a wasteful number, since it uses less digits than its factorization.

791676971440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19674397 (or 19674391 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 791676971440 in words is "seven hundred ninety-one billion, six hundred seventy-six million, nine hundred seventy-one thousand, four hundred forty".