2556316234 has 16 divisors (see below), whose sum is σ = 4013922816. Its totient is φ = 1219503600.

The previous prime is 2556316211. The next prime is 2556316247. The reversal of 2556316234 is 4326136552.

It is a junction number, because it is equal to n+sod(n) for n = 2556316193 and 2556316202.

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, 285957 + ... + 294760.

It is an arithmetic number, because the mean of its divisors is an integer number (250870176).

Almost surely, 2^2556316234 is an apocalyptic number.

2556316234 is a deficient number, since it is larger than the sum of its proper divisors (1457606582).

2556316234 is a wasteful number, since it uses less digits than its factorization.

2556316234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580821.

The product of its digits is 129600, while the sum is 37.

The square root of 2556316234 is about 50560.0260482528. The cubic root of 2556316234 is about 1367.3242807681.

The spelling of 2556316234 in words is "two billion, five hundred fifty-six million, three hundred sixteen thousand, two hundred thirty-four".