791324972240 has 80 divisors (see below), whose sum is σ = 2007222422400. Its totient is φ = 287735247360.

The previous prime is 791324972237. The next prime is 791324972267. The reversal of 791324972240 is 42279423197.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23855186 + ... + 23888334.

It is an arithmetic number, because the mean of its divisors is an integer number (25090280280).

Almost surely, 2^791324972240 is an apocalyptic number.

It is an amenable number.

791324972240 is an abundant number, since it is smaller than the sum of its proper divisors (1215897450160).

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

791324972240 is a wasteful number, since it uses less digits than its factorization.

791324972240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60300 (or 60294 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 791324972240 in words is "seven hundred ninety-one billion, three hundred twenty-four million, nine hundred seventy-two thousand, two hundred forty".