2856156244 has 48 divisors (see below), whose sum is σ = 5238148608. Its totient is φ = 1361380608.

The previous prime is 2856156239. The next prime is 2856156257. The reversal of 2856156244 is 4426516582.

It is a self number, because there is not a number n which added to its sum of digits gives 2856156244.

It is a congruent number.

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, 1803477 + ... + 1805059.

It is an arithmetic number, because the mean of its divisors is an integer number (109128096).

Almost surely, 2^2856156244 is an apocalyptic number.

It is an amenable number.

2856156244 is a deficient number, since it is larger than the sum of its proper divisors (2381992364).

2856156244 is a wasteful number, since it uses less digits than its factorization.

2856156244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1862 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 2856156244 is about 53443.0186647424. The cubic root of 2856156244 is about 1418.8200612700.

The spelling of 2856156244 in words is "two billion, eight hundred fifty-six million, one hundred fifty-six thousand, two hundred forty-four".