260988768 has 36 divisors (see below), whose sum is σ = 742187628. Its totient is φ = 86996160.

The previous prime is 260988757. The next prime is 260988779. The reversal of 260988768 is 867889062.

It is an interprime number because it is at equal distance from previous prime (260988757) and next prime (260988779).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×260988768³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452818 + ... + 453393.

It is an arithmetic number, because the mean of its divisors is an integer number (20616323).

Almost surely, 2^260988768 is an apocalyptic number.

It is an amenable number.

260988768 is an abundant number, since it is smaller than the sum of its proper divisors (481198860).

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

260988768 is a wasteful number, since it uses less digits than its factorization.

260988768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906227 (or 906216 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 260988768 is about 16155.1467959904. The cubic root of 260988768 is about 639.0584853931.

The spelling of 260988768 in words is "two hundred sixty million, nine hundred eighty-eight thousand, seven hundred sixty-eight".