256460000 has 60 divisors (see below), whose sum is σ = 630979272. Its totient is φ = 102576000.

The previous prime is 256459999. The next prime is 256460069. The reversal of 256460000 is 64652.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13589 + ... + 26411.

Almost surely, 2^256460000 is an apocalyptic number.

256460000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315489636).

256460000 is an abundant number, since it is smaller than the sum of its proper divisors (374519272).

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

256460000 is an equidigital number, since it uses as much as digits as its factorization.

256460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12853 (or 12830 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 256460000 is about 16014.3685482756. The cubic root of 256460000 is about 635.3405080570.

The spelling of 256460000 in words is "two hundred fifty-six million, four hundred sixty thousand".