2809220460 has 48 divisors (see below), whose sum is σ = 8207813376. Its totient is φ = 716554432.

The previous prime is 2809220413. The next prime is 2809220473. The reversal of 2809220460 is 640229082.

It is a super-2 number, since 2×2809220460² = 15783439185765223200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1016454 + ... + 1019213.

It is an arithmetic number, because the mean of its divisors is an integer number (170996112).

Almost surely, 2^2809220460 is an apocalyptic number.

2809220460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2809220460 is an abundant number, since it is smaller than the sum of its proper divisors (5398592916).

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

2809220460 is a wasteful number, since it uses less digits than its factorization.

2809220460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035702 (or 2035700 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2809220460 is about 53002.0797705147. The cubic root of 2809220460 is about 1411.0051783214.

The spelling of 2809220460 in words is "two billion, eight hundred nine million, two hundred twenty thousand, four hundred sixty".