260872992 has 72 divisors (see below), whose sum is σ = 774131904. Its totient is φ = 83174784.

The previous prime is 260872987. The next prime is 260872993. The reversal of 260872992 is 299278062.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (260872993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13068 + ... + 26315.

It is an arithmetic number, because the mean of its divisors is an integer number (10751832).

Almost surely, 2^260872992 is an apocalyptic number.

It is an amenable number.

260872992 is an abundant number, since it is smaller than the sum of its proper divisors (513258912).

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

260872992 is a wasteful number, since it uses less digits than its factorization.

260872992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39422 (or 39411 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 260872992 is about 16151.5631441666. The cubic root of 260872992 is about 638.9639748402.

The spelling of 260872992 in words is "two hundred sixty million, eight hundred seventy-two thousand, nine hundred ninety-two".