260405052 has 24 divisors (see below), whose sum is σ = 607899600. Its totient is φ = 86760576.

The previous prime is 260405027. The next prime is 260405071. The reversal of 260405052 is 250504062.

It is a super-2 number, since 2×260405052² = 135621582214245408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31974 + ... + 39282.

It is an arithmetic number, because the mean of its divisors is an integer number (25329150).

Almost surely, 2^260405052 is an apocalyptic number.

It is an amenable number.

260405052 is an abundant number, since it is smaller than the sum of its proper divisors (347494548).

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

260405052 is a wasteful number, since it uses less digits than its factorization.

260405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285 (or 10283 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 260405052 is about 16137.0707379004. The cubic root of 260405052 is about 638.5816997296.

The spelling of 260405052 in words is "two hundred sixty million, four hundred five thousand, fifty-two".