258213960 has 64 divisors (see below), whose sum is σ = 860716800. Its totient is φ = 68856768.

The previous prime is 258213947. The next prime is 258213979. The reversal of 258213960 is 69312852.

258213960 is a `hidden beast` number, since 2 + 582 + 13 + 9 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118464 + ... + 120623.

It is an arithmetic number, because the mean of its divisors is an integer number (13448700).

Almost surely, 2^258213960 is an apocalyptic number.

258213960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258213960 is an abundant number, since it is smaller than the sum of its proper divisors (602502840).

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

258213960 is a wasteful number, since it uses less digits than its factorization.

258213960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239107 (or 239097 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 258213960 is about 16069.0373078165. The cubic root of 258213960 is about 636.7856080453.

The spelling of 258213960 in words is "two hundred fifty-eight million, two hundred thirteen thousand, nine hundred sixty".