2806155872 has 48 divisors (see below), whose sum is σ = 5956357680. Its totient is φ = 1293676032.

The previous prime is 2806155857. The next prime is 2806155883. The reversal of 2806155872 is 2785516082.

It is a congruent number.

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, 418079 + ... + 424737.

It is an arithmetic number, because the mean of its divisors is an integer number (124090785).

Almost surely, 2^2806155872 is an apocalyptic number.

It is an amenable number.

2806155872 is an abundant number, since it is smaller than the sum of its proper divisors (3150201808).

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

2806155872 is a wasteful number, since it uses less digits than its factorization.

2806155872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695 (or 7687 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 2806155872 is about 52973.1618085989. The cubic root of 2806155872 is about 1410.4919015408.

The spelling of 2806155872 in words is "two billion, eight hundred six million, one hundred fifty-five thousand, eight hundred seventy-two".