2162379520 has 72 divisors (see below), whose sum is σ = 5919538464. Its totient is φ = 741384192.

The previous prime is 2162379517. The next prime is 2162379529. The reversal of 2162379520 is 259732612.

It is a super-3 number, since 3×2162379520³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2162379520.

It is not an unprimeable number, because it can be changed into a prime (2162379529) 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, 111709 + ... + 129628.

It is an arithmetic number, because the mean of its divisors is an integer number (82215812).

Almost surely, 2^2162379520 is an apocalyptic number.

2162379520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162379520 is an abundant number, since it is smaller than the sum of its proper divisors (3757158944).

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

2162379520 is an equidigital number, since it uses as much as digits as its factorization.

2162379520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241365 (or 241351 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2162379520 is about 46501.3926673170. The cubic root of 2162379520 is about 1293.1353176373.

The spelling of 2162379520 in words is "two billion, one hundred sixty-two million, three hundred seventy-nine thousand, five hundred twenty".