2556946372 has 24 divisors (see below), whose sum is σ = 4549902336. Its totient is φ = 1257153408.

The previous prime is 2556946369. The next prime is 2556946391. The reversal of 2556946372 is 2736496552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35133 + ... + 79675.

It is an arithmetic number, because the mean of its divisors is an integer number (189579264).

Almost surely, 2^2556946372 is an apocalyptic number.

It is an amenable number.

2556946372 is a deficient number, since it is larger than the sum of its proper divisors (1992955964).

2556946372 is a wasteful number, since it uses less digits than its factorization.

2556946372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44787 (or 44785 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 49.

The square root of 2556946372 is about 50566.2572472988. The cubic root of 2556946372 is about 1367.4366210947.

The spelling of 2556946372 in words is "two billion, five hundred fifty-six million, nine hundred forty-six thousand, three hundred seventy-two".