2499056856 has 24 divisors (see below), whose sum is σ = 6768279180. Its totient is φ = 833018928.

The previous prime is 2499056803. The next prime is 2499056869. The reversal of 2499056856 is 6586509942.

It is a happy number.

2499056856 is a `hidden beast` number, since 24 + 9 + 9 + 0 + 568 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17354490 + ... + 17354633.

Almost surely, 2^2499056856 is an apocalyptic number.

It is an amenable number.

2499056856 is an abundant number, since it is smaller than the sum of its proper divisors (4269222324).

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

2499056856 is a wasteful number, since it uses less digits than its factorization.

2499056856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34709135 (or 34709128 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The square root of 2499056856 is about 49990.5676703116. The cubic root of 2499056856 is about 1357.0381143846.

The spelling of 2499056856 in words is "two billion, four hundred ninety-nine million, fifty-six thousand, eight hundred fifty-six".