2620958256 has 120 divisors (see below), whose sum is σ = 8751456240. Its totient is φ = 748839168.

The previous prime is 2620958237. The next prime is 2620958267. The reversal of 2620958256 is 6528590262.

2620958256 is a `hidden beast` number, since 2 + 62 + 0 + 9 + 582 + 5 + 6 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 40741 + ... + 83076.

It is an arithmetic number, because the mean of its divisors is an integer number (72928802).

Almost surely, 2^2620958256 is an apocalyptic number.

It is an amenable number.

2620958256 is an abundant number, since it is smaller than the sum of its proper divisors (6130497984).

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

2620958256 is a wasteful number, since it uses less digits than its factorization.

2620958256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123848 (or 123829 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 2620958256 is about 51195.2952525913. The cubic root of 2620958256 is about 1378.7537330682.

The spelling of 2620958256 in words is "two billion, six hundred twenty million, nine hundred fifty-eight thousand, two hundred fifty-six".