2805081136 has 40 divisors (see below), whose sum is σ = 6384997584. Its totient is φ = 1176956160.

The previous prime is 2805081113. The next prime is 2805081143. The reversal of 2805081136 is 6311805082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610711 + ... + 615286.

Almost surely, 2^2805081136 is an apocalyptic number.

2805081136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2805081136 is an abundant number, since it is smaller than the sum of its proper divisors (3579916448).

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

2805081136 is a wasteful number, since it uses less digits than its factorization.

2805081136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226029 (or 1226023 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2805081136 is about 52963.0166814542. The cubic root of 2805081136 is about 1410.3118093838.

The spelling of 2805081136 in words is "two billion, eight hundred five million, eighty-one thousand, one hundred thirty-six".