2158204800 has 96 divisors (see below), whose sum is σ = 7108618680. Its totient is φ = 575518720.

The previous prime is 2158204771. The next prime is 2158204843. The reversal of 2158204800 is 84028512.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102807 + ... + 122006.

Almost surely, 2^2158204800 is an apocalyptic number.

2158204800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158204800 is an abundant number, since it is smaller than the sum of its proper divisors (4950413880).

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

2158204800 is a wasteful number, since it uses less digits than its factorization.

2158204800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224840 (or 224823 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 2158204800 is about 46456.4828629977. The cubic root of 2158204800 is about 1292.3025998404.

The spelling of 2158204800 in words is "two billion, one hundred fifty-eight million, two hundred four thousand, eight hundred".