260138952 has 80 divisors (see below), whose sum is σ = 733557660. Its totient is φ = 86126976.

The previous prime is 260138941. The next prime is 260139001. The reversal of 260138952 is 259831062.

260138952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 254913156 + 5225796 = 15966^2 + 2286^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100458 + ... + 103014.

Almost surely, 2^260138952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260138952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366778830).

260138952 is an abundant number, since it is smaller than the sum of its proper divisors (473418708).

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

260138952 is a wasteful number, since it uses less digits than its factorization.

260138952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 260138952 is about 16128.8236396831. The cubic root of 260138952 is about 638.3641098598.

The spelling of 260138952 in words is "two hundred sixty million, one hundred thirty-eight thousand, nine hundred fifty-two".