7935984940 has 24 divisors (see below), whose sum is σ = 17947535760. Its totient is φ = 2930209728.

The previous prime is 7935984919. The next prime is 7935984941. The reversal of 7935984940 is 494895397.

It is not an unprimeable number, because it can be changed into a prime (7935984941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15261250 + ... + 15261769.

It is an arithmetic number, because the mean of its divisors is an integer number (747813990).

Almost surely, 2^7935984940 is an apocalyptic number.

It is an amenable number.

7935984940 is an abundant number, since it is smaller than the sum of its proper divisors (10011550820).

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

7935984940 is a wasteful number, since it uses less digits than its factorization.

7935984940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30523041 (or 30523039 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The square root of 7935984940 is about 89084.1452784950. The cubic root of 7935984940 is about 1994.6511191564.

The spelling of 7935984940 in words is "seven billion, nine hundred thirty-five million, nine hundred eighty-four thousand, nine hundred forty".