7924025640 has 32 divisors (see below), whose sum is σ = 23772077280. Its totient is φ = 2113073472.

The previous prime is 7924025623. The next prime is 7924025653. The reversal of 7924025640 is 465204297.

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, 33016654 + ... + 33016893.

It is an arithmetic number, because the mean of its divisors is an integer number (742877415).

Almost surely, 2^7924025640 is an apocalyptic number.

It is an amenable number.

7924025640 is an abundant number, since it is smaller than the sum of its proper divisors (15848051640).

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

7924025640 is a wasteful number, since it uses less digits than its factorization.

7924025640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66033561 (or 66033557 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 7924025640 is about 89016.9963546288. The cubic root of 7924025640 is about 1993.6486548919.

The spelling of 7924025640 in words is "seven billion, nine hundred twenty-four million, twenty-five thousand, six hundred forty".