2158888524 has 48 divisors (see below), whose sum is σ = 5433463392. Its totient is φ = 663224832.

The previous prime is 2158888519. The next prime is 2158888559. The reversal of 2158888524 is 4258888512.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 91272 + ... + 112464.

It is an arithmetic number, because the mean of its divisors is an integer number (113197154).

Almost surely, 2^2158888524 is an apocalyptic number.

It is an amenable number.

2158888524 is an abundant number, since it is smaller than the sum of its proper divisors (3274574868).

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

2158888524 is a wasteful number, since it uses less digits than its factorization.

2158888524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866 (or 21864 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 51.

The square root of 2158888524 is about 46463.8410379512. The cubic root of 2158888524 is about 1292.4390535283.

The spelling of 2158888524 in words is "two billion, one hundred fifty-eight million, eight hundred eighty-eight thousand, five hundred twenty-four".