6404490322 has 48 divisors (see below), whose sum is σ = 10579978080. Its totient is φ = 2899100160.

The previous prime is 6404490307. The next prime is 6404490349. The reversal of 6404490322 is 2230944046.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3029938 + ... + 3032050.

It is an arithmetic number, because the mean of its divisors is an integer number (220416210).

Almost surely, 2^6404490322 is an apocalyptic number.

6404490322 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6404490322 is a deficient number, since it is larger than the sum of its proper divisors (4175487758).

6404490322 is a wasteful number, since it uses less digits than its factorization.

6404490322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 6404490322 is about 80028.0595916207. The cubic root of 6404490322 is about 1857.0696450277.

The spelling of 6404490322 in words is "six billion, four hundred four million, four hundred ninety thousand, three hundred twenty-two".