6336636944 has 20 divisors (see below), whose sum is σ = 13393346640. Its totient is φ = 2880289440.

The previous prime is 6336636937. The next prime is 6336636953. The reversal of 6336636944 is 4496366336.

It is a junction number, because it is equal to n+sod(n) for n = 6336636892 and 6336636901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18001634 + ... + 18001985.

It is an arithmetic number, because the mean of its divisors is an integer number (669667332).

Almost surely, 2^6336636944 is an apocalyptic number.

It is an amenable number.

6336636944 is an abundant number, since it is smaller than the sum of its proper divisors (7056709696).

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

6336636944 is a wasteful number, since it uses less digits than its factorization.

6336636944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36003638 (or 36003632 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 50.

The square root of 6336636944 is about 79602.9958230216. The cubic root of 6336636944 is about 1850.4880080001.

The spelling of 6336636944 in words is "six billion, three hundred thirty-six million, six hundred thirty-six thousand, nine hundred forty-four".