797109831240 has 32 divisors (see below), whose sum is σ = 2391329494080. Its totient is φ = 212562621632.

The previous prime is 797109831229. The next prime is 797109831283. The reversal of 797109831240 is 42138901797.

797109831240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×797109831240² (a number of 25 digits) contains 22 as substring.

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, 3321290844 + ... + 3321291083.

It is an arithmetic number, because the mean of its divisors is an integer number (74729046690).

Almost surely, 2^797109831240 is an apocalyptic number.

It is an amenable number.

797109831240 is an abundant number, since it is smaller than the sum of its proper divisors (1594219662840).

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

797109831240 is a wasteful number, since it uses less digits than its factorization.

797109831240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642581941 (or 6642581937 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 797109831240 in words is "seven hundred ninety-seven billion, one hundred nine million, eight hundred thirty-one thousand, two hundred forty".