6401000344 has 32 divisors (see below), whose sum is σ = 12733470000. Its totient is φ = 3006167040.

The previous prime is 6401000299. The next prime is 6401000351. The reversal of 6401000344 is 4430001046.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20704 + ... + 115024.

Almost surely, 2^6401000344 is an apocalyptic number.

It is an amenable number.

6401000344 is a deficient number, since it is larger than the sum of its proper divisors (6332469656).

6401000344 is a wasteful number, since it uses less digits than its factorization.

6401000344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94843 (or 94839 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6401000344 is about 80006.2519057105. The cubic root of 6401000344 is about 1856.7322614377.

The spelling of 6401000344 in words is "six billion, four hundred one million, three hundred forty-four", and thus it is an aban number.