6404004244 has 24 divisors (see below), whose sum is σ = 12944994048. Its totient is φ = 2739680640.

The previous prime is 6404004239. The next prime is 6404004263. The reversal of 6404004244 is 4424004046.

It is a super-2 number, since 2×6404004244² = 82022540714340023072, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4280004 + ... + 4281499.

It is an arithmetic number, because the mean of its divisors is an integer number (539374752).

Almost surely, 2^6404004244 is an apocalyptic number.

It is an amenable number.

6404004244 is an abundant number, since it is smaller than the sum of its proper divisors (6540989804).

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

6404004244 is a wasteful number, since it uses less digits than its factorization.

6404004244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561535 (or 8561533 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 6404004244 is about 80025.0226116807. The cubic root of 6404004244 is about 1857.0226621822.

The spelling of 6404004244 in words is "six billion, four hundred four million, four thousand, two hundred forty-four".