2158047488 has 72 divisors (see below), whose sum is σ = 4466646912. Its totient is φ = 1039915008.

The previous prime is 2158047487. The next prime is 2158047523. The reversal of 2158047488 is 8847408512.

It is a super-2 number, since 2×2158047488² = 9314337920926220288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (2158047487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804806 + ... + 807482.

Almost surely, 2^2158047488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158047488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233323456).

2158047488 is an abundant number, since it is smaller than the sum of its proper divisors (2308599424).

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

2158047488 is an equidigital number, since it uses as much as digits as its factorization.

2158047488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The square root of 2158047488 is about 46454.7897207597. The cubic root of 2158047488 is about 1292.2712003417.

The spelling of 2158047488 in words is "two billion, one hundred fifty-eight million, forty-seven thousand, four hundred eighty-eight".