7807146940 has 12 divisors (see below), whose sum is σ = 16395008616. Its totient is φ = 3122858768.

The previous prime is 7807146937. The next prime is 7807146959. The reversal of 7807146940 is 496417087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195178654 + ... + 195178693.

It is an arithmetic number, because the mean of its divisors is an integer number (1366250718).

Almost surely, 2^7807146940 is an apocalyptic number.

It is an amenable number.

7807146940 is an abundant number, since it is smaller than the sum of its proper divisors (8587861676).

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

7807146940 is a wasteful number, since it uses less digits than its factorization.

7807146940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390357356 (or 390357354 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 7807146940 is about 88358.0609791772. The cubic root of 7807146940 is about 1983.7980139144.

The spelling of 7807146940 in words is "seven billion, eight hundred seven million, one hundred forty-six thousand, nine hundred forty".