2155862352 has 40 divisors (see below), whose sum is σ = 6364927936. Its totient is φ = 615960576.

The previous prime is 2155862347. The next prime is 2155862399. The reversal of 2155862352 is 2532685512.

It is a self number, because there is not a number n which added to its sum of digits gives 2155862352.

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, 3207793 + ... + 3208464.

Almost surely, 2^2155862352 is an apocalyptic number.

It is an amenable number.

2155862352 is an abundant number, since it is smaller than the sum of its proper divisors (4209065584).

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

2155862352 is a wasteful number, since it uses less digits than its factorization.

2155862352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416275 (or 6416269 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 2155862352 is about 46431.2648115470. The cubic root of 2155862352 is about 1291.8348889767.

The spelling of 2155862352 in words is "two billion, one hundred fifty-five million, eight hundred sixty-two thousand, three hundred fifty-two".