2556155148 has 24 divisors (see below), whose sum is σ = 5965639680. Its totient is φ = 851869200.

The previous prime is 2556155057. The next prime is 2556155191. The reversal of 2556155148 is 8415516552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43173 + ... + 83523.

It is an arithmetic number, because the mean of its divisors is an integer number (248568320).

Almost surely, 2^2556155148 is an apocalyptic number.

It is an amenable number.

2556155148 is an abundant number, since it is smaller than the sum of its proper divisors (3409484532).

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

2556155148 is a wasteful number, since it uses less digits than its factorization.

2556155148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45637 (or 45635 counting only the distinct ones).

The product of its digits is 240000, while the sum is 42.

The square root of 2556155148 is about 50558.4330057805. The cubic root of 2556155148 is about 1367.2955595660.

The spelling of 2556155148 in words is "two billion, five hundred fifty-six million, one hundred fifty-five thousand, one hundred forty-eight".