2557472516 has 12 divisors (see below), whose sum is σ = 4475958732. Its totient is φ = 1278627168.

The previous prime is 2557472509. The next prime is 2557472543. The reversal of 2557472516 is 6152747552.

It can be written as a sum of positive squares in 2 ways, for example, as 767844100 + 1789628416 = 27710^2 + 42304^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 49466 + ... + 86958.

It is an arithmetic number, because the mean of its divisors is an integer number (372996561).

Almost surely, 2^2557472516 is an apocalyptic number.

It is an amenable number.

2557472516 is a deficient number, since it is larger than the sum of its proper divisors (1918486216).

2557472516 is a wasteful number, since it uses less digits than its factorization.

2557472516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54550 (or 54548 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The square root of 2557472516 is about 50571.4595003941. The cubic root of 2557472516 is about 1367.5304073441.

The spelling of 2557472516 in words is "two billion, five hundred fifty-seven million, four hundred seventy-two thousand, five hundred sixteen".