8840040420 has 48 divisors (see below), whose sum is σ = 25605639360. Its totient is φ = 2276055936.

The previous prime is 8840040403. The next prime is 8840040431. The reversal of 8840040420 is 240400488.

8840040420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538502 + ... + 2541981.

It is an arithmetic number, because the mean of its divisors is an integer number (533450820).

Almost surely, 2^8840040420 is an apocalyptic number.

It is an amenable number.

8840040420 is an abundant number, since it is smaller than the sum of its proper divisors (16765598940).

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

8840040420 is a wasteful number, since it uses less digits than its factorization.

8840040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080524 (or 5080522 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 8840040420 is about 94021.4891394515. The cubic root of 8840040420 is about 2067.6867762486.

The spelling of 8840040420 in words is "eight billion, eight hundred forty million, forty thousand, four hundred twenty".