2157367296 has 156 divisors (see below), whose sum is σ = 6693292032. Its totient is φ = 616218624.

The previous prime is 2157367243. The next prime is 2157367309. The reversal of 2157367296 is 6927637512.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600321 + ... + 603903.

Almost surely, 2^2157367296 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 2157367296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3346646016).

2157367296 is an abundant number, since it is smaller than the sum of its proper divisors (4535924736).

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

2157367296 is an equidigital number, since it uses as much as digits as its factorization.

2157367296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624 (or 3595 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 2157367296 is about 46447.4681333655. The cubic root of 2157367296 is about 1292.1354163514.

The spelling of 2157367296 in words is "two billion, one hundred fifty-seven million, three hundred sixty-seven thousand, two hundred ninety-six".