260486628 has 12 divisors (see below), whose sum is σ = 607802160. Its totient is φ = 86828872.

The previous prime is 260486617. The next prime is 260486641. The reversal of 260486628 is 826684062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 260486628.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10853598 + ... + 10853621.

It is an arithmetic number, because the mean of its divisors is an integer number (50650180).

Almost surely, 2^260486628 is an apocalyptic number.

It is an amenable number.

260486628 is an abundant number, since it is smaller than the sum of its proper divisors (347315532).

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

260486628 is a wasteful number, since it uses less digits than its factorization.

260486628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707226 (or 21707224 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 260486628 is about 16139.5981362610. The cubic root of 260486628 is about 638.6483747060.

The spelling of 260486628 in words is "two hundred sixty million, four hundred eighty-six thousand, six hundred twenty-eight".