2558397908 has 24 divisors (see below), whose sum is σ = 4887013824. Its totient is φ = 1162241600.

The previous prime is 2558397811. The next prime is 2558397979. The reversal of 2558397908 is 8097938552.

2558397908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 65528 + ... + 97008.

It is an arithmetic number, because the mean of its divisors is an integer number (203625576).

Almost surely, 2^2558397908 is an apocalyptic number.

It is an amenable number.

2558397908 is a deficient number, since it is larger than the sum of its proper divisors (2328615916).

2558397908 is a wasteful number, since it uses less digits than its factorization.

2558397908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33343 (or 33341 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The square root of 2558397908 is about 50580.6080232336. The cubic root of 2558397908 is about 1367.6953291678.

The spelling of 2558397908 in words is "two billion, five hundred fifty-eight million, three hundred ninety-seven thousand, nine hundred eight".