258860420 has 48 divisors (see below), whose sum is σ = 669059328. Its totient is φ = 81924480.

The previous prime is 258860363. The next prime is 258860431. The reversal of 258860420 is 24068852.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 69296 + ... + 72935.

It is an arithmetic number, because the mean of its divisors is an integer number (13938736).

Almost surely, 2^258860420 is an apocalyptic number.

258860420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258860420 is an abundant number, since it is smaller than the sum of its proper divisors (410198908).

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

258860420 is a wasteful number, since it uses less digits than its factorization.

258860420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142260 (or 142258 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 258860420 is about 16089.1398154159. The cubic root of 258860420 is about 637.3165803219.

The spelling of 258860420 in words is "two hundred fifty-eight million, eight hundred sixty thousand, four hundred twenty".