8440405324 has 48 divisors (see below), whose sum is σ = 16353662976. Its totient is φ = 3787272000.

The previous prime is 8440405307. The next prime is 8440405409. The reversal of 8440405324 is 4235040448.

It is a self number, because there is not a number n which added to its sum of digits gives 8440405324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357609 + ... + 380479.

It is an arithmetic number, because the mean of its divisors is an integer number (340701312).

Almost surely, 2^8440405324 is an apocalyptic number.

It is an amenable number.

8440405324 is a deficient number, since it is larger than the sum of its proper divisors (7913257652).

8440405324 is a wasteful number, since it uses less digits than its factorization.

8440405324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086 (or 23084 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 8440405324 is about 91871.6785739762. The cubic root of 8440405324 is about 2036.0468526728.

The spelling of 8440405324 in words is "eight billion, four hundred forty million, four hundred five thousand, three hundred twenty-four".