2153794560 has 88 divisors (see below), whose sum is σ = 6888826416. Its totient is φ = 574341120.

The previous prime is 2153794537. The next prime is 2153794567. The reversal of 2153794560 is 654973512.

It is not an unprimeable number, because it can be changed into a prime (2153794567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54751 + ... + 85470.

Almost surely, 2^2153794560 is an apocalyptic number.

2153794560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153794560 is an abundant number, since it is smaller than the sum of its proper divisors (4735031856).

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

2153794560 is a wasteful number, since it uses less digits than its factorization.

2153794560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140249 (or 140231 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2153794560 is about 46408.9922321095. The cubic root of 2153794560 is about 1291.4217363865.

The spelling of 2153794560 in words is "two billion, one hundred fifty-three million, seven hundred ninety-four thousand, five hundred sixty".