2628560956 has 48 divisors (see below), whose sum is σ = 5452880832. Its totient is φ = 1085184000.

The previous prime is 2628560939. The next prime is 2628560971. The reversal of 2628560956 is 6590658262.

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, 92076 + ... + 117196.

It is an arithmetic number, because the mean of its divisors is an integer number (113601684).

Almost surely, 2^2628560956 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 2628560956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726440416).

2628560956 is an abundant number, since it is smaller than the sum of its proper divisors (2824319876).

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

2628560956 is a wasteful number, since it uses less digits than its factorization.

2628560956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25270 (or 25268 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 2628560956 is about 51269.4934244527. The cubic root of 2628560956 is about 1380.0855782538.

The spelling of 2628560956 in words is "two billion, six hundred twenty-eight million, five hundred sixty thousand, nine hundred fifty-six".