2162497880 has 16 divisors (see below), whose sum is σ = 4865620320. Its totient is φ = 864999136.

The previous prime is 2162497879. The next prime is 2162497919. The reversal of 2162497880 is 887942612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27031184 + ... + 27031263.

It is an arithmetic number, because the mean of its divisors is an integer number (304101270).

Almost surely, 2^2162497880 is an apocalyptic number.

2162497880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162497880 is an abundant number, since it is smaller than the sum of its proper divisors (2703122440).

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

2162497880 is a wasteful number, since it uses less digits than its factorization.

2162497880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54062458 (or 54062454 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 2162497880 is about 46502.6652999589. The cubic root of 2162497880 is about 1293.1589108907.

The spelling of 2162497880 in words is "two billion, one hundred sixty-two million, four hundred ninety-seven thousand, eight hundred eighty".