320692790940 has 96 divisors (see below), whose sum is σ = 981429571584. Its totient is φ = 77891220480.

The previous prime is 320692790897. The next prime is 320692791017. The reversal of 320692790940 is 49097296023.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 5039424 + ... + 5102663.

It is an arithmetic number, because the mean of its divisors is an integer number (10223224704).

Almost surely, 2^320692790940 is an apocalyptic number.

320692790940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320692790940 is an abundant number, since it is smaller than the sum of its proper divisors (660736780644).

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

320692790940 is a wasteful number, since it uses less digits than its factorization.

320692790940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142147 (or 10142145 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 320692790940 in words is "three hundred twenty billion, six hundred ninety-two million, seven hundred ninety thousand, nine hundred forty".