2158807924 has 24 divisors (see below), whose sum is σ = 4649740928. Its totient is φ = 854033760.

The previous prime is 2158807913. The next prime is 2158807927. The reversal of 2158807924 is 4297088512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158807927) 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, 2965032 + ... + 2965759.

Almost surely, 2^2158807924 is an apocalyptic number.

It is an amenable number.

2158807924 is an abundant number, since it is smaller than the sum of its proper divisors (2490933004).

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

2158807924 is a wasteful number, since it uses less digits than its factorization.

2158807924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930815 (or 5930813 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 2158807924 is about 46462.9736887341. The cubic root of 2158807924 is about 1292.4229693438.

The spelling of 2158807924 in words is "two billion, one hundred fifty-eight million, eight hundred seven thousand, nine hundred twenty-four".