2164024520 has 64 divisors (see below), whose sum is σ = 5891978880. Its totient is φ = 698305536.

The previous prime is 2164024519. The next prime is 2164024531. The reversal of 2164024520 is 254204612.

It is a super-2 number, since 2×2164024520² = 9366004246322460800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2164024520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222554 + ... + 232073.

It is an arithmetic number, because the mean of its divisors is an integer number (92062170).

Almost surely, 2^2164024520 is an apocalyptic number.

2164024520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2164024520 is an abundant number, since it is smaller than the sum of its proper divisors (3727954360).

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

2164024520 is a wasteful number, since it uses less digits than its factorization.

2164024520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454662 (or 454658 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2164024520 is about 46519.0769469903. The cubic root of 2164024520 is about 1293.4631460614.

The spelling of 2164024520 in words is "two billion, one hundred sixty-four million, twenty-four thousand, five hundred twenty".