2801802056 has 32 divisors (see below), whose sum is σ = 5438172600. Its totient is φ = 1351687680.

The previous prime is 2801802053. The next prime is 2801802067. The reversal of 2801802056 is 6502081082.

It can be written as a sum of positive squares in 4 ways, for example, as 1493822500 + 1307979556 = 38650^2 + 36166^2 .

It is a super-2 number, since 2×2801802056² = 15700189522011654272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2801802053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454676 + ... + 460796.

Almost surely, 2^2801802056 is an apocalyptic number.

It is an amenable number.

2801802056 is a deficient number, since it is larger than the sum of its proper divisors (2636370544).

2801802056 is a wasteful number, since it uses less digits than its factorization.

2801802056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129 (or 8125 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2801802056 is about 52932.0513110913. The cubic root of 2801802056 is about 1409.7620536387.

The spelling of 2801802056 in words is "two billion, eight hundred one million, eight hundred two thousand, fifty-six".