6408203904 has 96 divisors (see below), whose sum is σ = 18478605600. Its totient is φ = 2131628544.

The previous prime is 6408203887. The next prime is 6408203917. The reversal of 6408203904 is 4093028046.

It is a happy number.

6408203904 is a `hidden beast` number, since 640 + 8 + 2 + 0 + 3 + 9 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 573927 + ... + 584985.

It is an arithmetic number, because the mean of its divisors is an integer number (192485475).

Almost surely, 2^6408203904 is an apocalyptic number.

6408203904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6408203904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9239302800).

6408203904 is an abundant number, since it is smaller than the sum of its proper divisors (12070401696).

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

6408203904 is a wasteful number, since it uses less digits than its factorization.

6408203904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582 (or 11567 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6408203904 is about 80051.2579788725. The cubic root of 6408203904 is about 1857.4285103214.

The spelling of 6408203904 in words is "six billion, four hundred eight million, two hundred three thousand, nine hundred four".