2157360450 has 48 divisors (see below), whose sum is σ = 6114578880. Its totient is φ = 493110720.

The previous prime is 2157360433. The next prime is 2157360451. The reversal of 2157360450 is 540637512.

It is a super-2 number, since 2×2157360450² = 9308408222448405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2157360451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026265 + ... + 1028364.

It is an arithmetic number, because the mean of its divisors is an integer number (127387060).

Almost surely, 2^2157360450 is an apocalyptic number.

2157360450 is an abundant number, since it is smaller than the sum of its proper divisors (3957218430).

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

2157360450 is a wasteful number, since it uses less digits than its factorization.

2157360450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054651 (or 2054646 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2157360450 is about 46447.3944371479. The cubic root of 2157360450 is about 1292.1340495669.

Adding to 2157360450 its reverse (540637512), we get a palindrome (2697997962).

The spelling of 2157360450 in words is "two billion, one hundred fifty-seven million, three hundred sixty thousand, four hundred fifty".