8440652164 has 24 divisors (see below), whose sum is σ = 17199822528. Its totient is φ = 3549168480.

The previous prime is 8440652149. The next prime is 8440652177. The reversal of 8440652164 is 4612560448.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2842402 + ... + 2845369.

It is an arithmetic number, because the mean of its divisors is an integer number (716659272).

Almost surely, 2^8440652164 is an apocalyptic number.

It is an amenable number.

8440652164 is an abundant number, since it is smaller than the sum of its proper divisors (8759170364).

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

8440652164 is a wasteful number, since it uses less digits than its factorization.

8440652164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687835 (or 5687833 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 8440652164 is about 91873.0219596591. The cubic root of 8440652164 is about 2036.0667005706.

The spelling of 8440652164 in words is "eight billion, four hundred forty million, six hundred fifty-two thousand, one hundred sixty-four".