260534040 has 64 divisors (see below), whose sum is σ = 841730400. Its totient is φ = 64131072.

The previous prime is 260534017. The next prime is 260534069. The reversal of 260534040 is 40435062.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 260534040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81945 + ... + 85064.

Almost surely, 2^260534040 is an apocalyptic number.

260534040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260534040 is an abundant number, since it is smaller than the sum of its proper divisors (581196360).

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

260534040 is a wasteful number, since it uses less digits than its factorization.

260534040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167036 (or 167032 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 260534040 is about 16141.0668792369. The cubic root of 260534040 is about 638.6871198296.

The spelling of 260534040 in words is "two hundred sixty million, five hundred thirty-four thousand, forty".