259260880 has 40 divisors (see below), whose sum is σ = 638242632. Its totient is φ = 97603584.

The previous prime is 259260821. The next prime is 259260901. The reversal of 259260880 is 88062952.

It can be written as a sum of positive squares in 4 ways, for example, as 52591504 + 206669376 = 7252^2 + 14376^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 93957 + ... + 96676.

Almost surely, 2^259260880 is an apocalyptic number.

259260880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259260880 is an abundant number, since it is smaller than the sum of its proper divisors (378981752).

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

259260880 is a wasteful number, since it uses less digits than its factorization.

259260880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190663 (or 190657 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 259260880 is about 16101.5800466911. The cubic root of 259260880 is about 637.6450563161.

The spelling of 259260880 in words is "two hundred fifty-nine million, two hundred sixty thousand, eight hundred eighty".