2556279364 has 12 divisors (see below), whose sum is σ = 4473849744. Its totient is φ = 1278036584.

The previous prime is 2556279353. The next prime is 2556279367. The reversal of 2556279364 is 4639726552.

It is not an unprimeable number, because it can be changed into a prime (2556279367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67587 + ... + 98389.

It is an arithmetic number, because the mean of its divisors is an integer number (372820812).

Almost surely, 2^2556279364 is an apocalyptic number.

It is an amenable number.

2556279364 is a deficient number, since it is larger than the sum of its proper divisors (1917570380).

2556279364 is a wasteful number, since it uses less digits than its factorization.

2556279364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51554 (or 51552 counting only the distinct ones).

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

The square root of 2556279364 is about 50559.6614308284. The cubic root of 2556279364 is about 1367.3177070524.

The spelling of 2556279364 in words is "two billion, five hundred fifty-six million, two hundred seventy-nine thousand, three hundred sixty-four".