259960780 has 48 divisors (see below), whose sum is σ = 554190336. Its totient is φ = 102421440.

The previous prime is 259960777. The next prime is 259960783. The reversal of 259960780 is 87069952.

It is an interprime number because it is at equal distance from previous prime (259960777) and next prime (259960783).

It is a self number, because there is not a number n which added to its sum of digits gives 259960780.

It is not an unprimeable number, because it can be changed into a prime (259960783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708157 + ... + 708523.

It is an arithmetic number, because the mean of its divisors is an integer number (11545632).

Almost surely, 2^259960780 is an apocalyptic number.

259960780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259960780 is an abundant number, since it is smaller than the sum of its proper divisors (294229556).

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

259960780 is a wasteful number, since it uses less digits than its factorization.

259960780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 259960780 is about 16123.2992901577. The cubic root of 259960780 is about 638.2183357313.

The spelling of 259960780 in words is "two hundred fifty-nine million, nine hundred sixty thousand, seven hundred eighty".