258455460 has 24 divisors (see below), whose sum is σ = 723675456. Its totient is φ = 68921440.

The previous prime is 258455447. The next prime is 258455473. The reversal of 258455460 is 64554852.

It is an interprime number because it is at equal distance from previous prime (258455447) and next prime (258455473).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 2153736 + ... + 2153855.

It is an arithmetic number, because the mean of its divisors is an integer number (30153144).

Almost surely, 2^258455460 is an apocalyptic number.

258455460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258455460 is an abundant number, since it is smaller than the sum of its proper divisors (465219996).

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

258455460 is a wasteful number, since it uses less digits than its factorization.

258455460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307603 (or 4307601 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 258455460 is about 16076.5500030324. The cubic root of 258455460 is about 636.9840685340.

The spelling of 258455460 in words is "two hundred fifty-eight million, four hundred fifty-five thousand, four hundred sixty".