259644480 has 56 divisors (see below), whose sum is σ = 824374272. Its totient is φ = 69238272.

The previous prime is 259644479. The next prime is 259644523. The reversal of 259644480 is 84446952.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its 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, 134272 + ... + 136191.

Almost surely, 2^259644480 is an apocalyptic number.

259644480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259644480 is an abundant number, since it is smaller than the sum of its proper divisors (564729792).

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

259644480 is a wasteful number, since it uses less digits than its factorization.

259644480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270483 (or 270473 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 259644480 is about 16113.4875182252. The cubic root of 259644480 is about 637.9593859164.

The spelling of 259644480 in words is "two hundred fifty-nine million, six hundred forty-four thousand, four hundred eighty".