6403804368 has 80 divisors (see below), whose sum is σ = 17826942336. Its totient is φ = 1969159680.

The previous prime is 6403804367. The next prime is 6403804423. The reversal of 6403804368 is 8634083046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403804361) by changing a digit.

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, 1739746 + ... + 1743422.

Almost surely, 2^6403804368 is an apocalyptic number.

It is an amenable number.

6403804368 is an abundant number, since it is smaller than the sum of its proper divisors (11423137968).

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

6403804368 is a wasteful number, since it uses less digits than its factorization.

6403804368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492 (or 6486 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 6403804368 is about 80023.7737675499. The cubic root of 6403804368 is about 1857.0033420762.

The spelling of 6403804368 in words is "six billion, four hundred three million, eight hundred four thousand, three hundred sixty-eight".