2856990480 has 80 divisors (see below), whose sum is σ = 9322825920. Its totient is φ = 721764864.

The previous prime is 2856990469. The next prime is 2856990491. The reversal of 2856990480 is 840996582.

It is an interprime number because it is at equal distance from previous prime (2856990469) and next prime (2856990491).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308707 + ... + 317826.

It is an arithmetic number, because the mean of its divisors is an integer number (116535324).

Almost surely, 2^2856990480 is an apocalyptic number.

2856990480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2856990480 is an abundant number, since it is smaller than the sum of its proper divisors (6465835440).

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

2856990480 is a wasteful number, since it uses less digits than its factorization.

2856990480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626568 (or 626562 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 2856990480 is about 53450.8230058247. The cubic root of 2856990480 is about 1418.9581857808.

The spelling of 2856990480 in words is "two billion, eight hundred fifty-six million, nine hundred ninety thousand, four hundred eighty".