2156502412 has 24 divisors (see below), whose sum is σ = 3794197680. Its totient is φ = 1072463040.

The previous prime is 2156502391. The next prime is 2156502443. The reversal of 2156502412 is 2142056512.

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, 615987 + ... + 619477.

It is an arithmetic number, because the mean of its divisors is an integer number (158091570).

Almost surely, 2^2156502412 is an apocalyptic number.

It is an amenable number.

2156502412 is a deficient number, since it is larger than the sum of its proper divisors (1637695268).

2156502412 is a wasteful number, since it uses less digits than its factorization.

2156502412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2156502412 is about 46438.1568540355. The cubic root of 2156502412 is about 1291.9627218171.

Adding to 2156502412 its reverse (2142056512), we get a palindrome (4298558924).

The spelling of 2156502412 in words is "two billion, one hundred fifty-six million, five hundred two thousand, four hundred twelve".