258555260 has 24 divisors (see below), whose sum is σ = 557642400. Its totient is φ = 100626624.

The previous prime is 258555251. The next prime is 258555289. The reversal of 258555260 is 62555852.

It is a happy number.

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, 173960 + ... + 175439.

It is an arithmetic number, because the mean of its divisors is an integer number (23235100).

Almost surely, 2^258555260 is an apocalyptic number.

258555260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258555260 is an abundant number, since it is smaller than the sum of its proper divisors (299087140).

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

258555260 is a wasteful number, since it uses less digits than its factorization.

258555260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349445 (or 349443 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 258555260 is about 16079.6536032341. The cubic root of 258555260 is about 637.0660463332.

The spelling of 258555260 in words is "two hundred fifty-eight million, five hundred fifty-five thousand, two hundred sixty".