2558450028 has 24 divisors (see below), whose sum is σ = 5993507520. Its totient is φ = 849418000.

The previous prime is 2558450009. The next prime is 2558450051. The reversal of 2558450028 is 8200548552.

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, 421698 + ... + 427721.

It is an arithmetic number, because the mean of its divisors is an integer number (249729480).

Almost surely, 2^2558450028 is an apocalyptic number.

It is an amenable number.

2558450028 is an abundant number, since it is smaller than the sum of its proper divisors (3435057492).

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

2558450028 is a wasteful number, since it uses less digits than its factorization.

2558450028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849677 (or 849675 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The square root of 2558450028 is about 50581.1232378246. The cubic root of 2558450028 is about 1367.7046167244.

The spelling of 2558450028 in words is "two billion, five hundred fifty-eight million, four hundred fifty thousand, twenty-eight".