2556734262 has 32 divisors (see below), whose sum is σ = 5283194112. Its totient is φ = 824233824.

The previous prime is 2556734237. The next prime is 2556734273. The reversal of 2556734262 is 2624376552.

It is a happy number.

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, 2593 + ... + 71555.

It is an arithmetic number, because the mean of its divisors is an integer number (165099816).

Almost surely, 2^2556734262 is an apocalyptic number.

2556734262 is an abundant number, since it is smaller than the sum of its proper divisors (2726459850).

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

2556734262 is a wasteful number, since it uses less digits than its factorization.

2556734262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69172.

The product of its digits is 604800, while the sum is 42.

The square root of 2556734262 is about 50564.1598565624. The cubic root of 2556734262 is about 1367.3988084124.

The spelling of 2556734262 in words is "two billion, five hundred fifty-six million, seven hundred thirty-four thousand, two hundred sixty-two".