2559831864 has 64 divisors (see below), whose sum is σ = 6473174400. Its totient is φ = 843502464.

The previous prime is 2559831853. The next prime is 2559831871. The reversal of 2559831864 is 4681389552.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1534759 + ... + 1536425.

It is an arithmetic number, because the mean of its divisors is an integer number (101143350).

Almost surely, 2^2559831864 is an apocalyptic number.

2559831864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2559831864 is an abundant number, since it is smaller than the sum of its proper divisors (3913342536).

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

2559831864 is a wasteful number, since it uses less digits than its factorization.

2559831864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2368 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 2559831864 is about 50594.7809956719. The cubic root of 2559831864 is about 1367.9508078819.

The spelling of 2559831864 in words is "two billion, five hundred fifty-nine million, eight hundred thirty-one thousand, eight hundred sixty-four".