260275664 has 20 divisors (see below), whose sum is σ = 550128480. Its totient is φ = 118307040.

The previous prime is 260275651. The next prime is 260275669. The reversal of 260275664 is 466572062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260275669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739244 + ... + 739595.

It is an arithmetic number, because the mean of its divisors is an integer number (27506424).

Almost surely, 2^260275664 is an apocalyptic number.

It is an amenable number.

260275664 is an abundant number, since it is smaller than the sum of its proper divisors (289852816).

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

260275664 is a wasteful number, since it uses less digits than its factorization.

260275664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478858 (or 1478852 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 260275664 is about 16133.0612098262. The cubic root of 260275664 is about 638.4759177350.

The spelling of 260275664 in words is "two hundred sixty million, two hundred seventy-five thousand, six hundred sixty-four".