2152840836 has 12 divisors (see below), whose sum is σ = 5023295312. Its totient is φ = 717613608.

The previous prime is 2152840829. The next prime is 2152840841. The reversal of 2152840836 is 6380482512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2152840794 and 2152840803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89701690 + ... + 89701713.

Almost surely, 2^2152840836 is an apocalyptic number.

It is an amenable number.

2152840836 is an abundant number, since it is smaller than the sum of its proper divisors (2870454476).

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

2152840836 is a wasteful number, since it uses less digits than its factorization.

2152840836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179403410 (or 179403408 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2152840836 is about 46398.7158874036. The cubic root of 2152840836 is about 1291.2310896446.

The spelling of 2152840836 in words is "two billion, one hundred fifty-two million, eight hundred forty thousand, eight hundred thirty-six".