258155260 has 24 divisors (see below), whose sum is σ = 591410736. Its totient is φ = 93874560.

The previous prime is 258155239. The next prime is 258155297. The reversal of 258155260 is 62551852.

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, 586497 + ... + 586936.

It is an arithmetic number, because the mean of its divisors is an integer number (24642114).

Almost surely, 2^258155260 is an apocalyptic number.

258155260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258155260 is an abundant number, since it is smaller than the sum of its proper divisors (333255476).

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

258155260 is a wasteful number, since it uses less digits than its factorization.

258155260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173453 (or 1173451 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 258155260 is about 16067.2107100144. The cubic root of 258155260 is about 636.7373507163.

The spelling of 258155260 in words is "two hundred fifty-eight million, one hundred fifty-five thousand, two hundred sixty".