6117640344 has 40 divisors (see below), whose sum is σ = 17135059260. Its totient is φ = 2039213232.

The previous prime is 6117640327. The next prime is 6117640391. The reversal of 6117640344 is 4430467116.

6117640344 is a `hidden beast` number, since 6 + 1 + 1 + 7 + 640 + 3 + 4 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 6117640299 and 6117640308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4719754 + ... + 4721049.

Almost surely, 2^6117640344 is an apocalyptic number.

It is an amenable number.

6117640344 is an abundant number, since it is smaller than the sum of its proper divisors (11017418916).

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

6117640344 is a wasteful number, since it uses less digits than its factorization.

6117640344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440821 (or 9440808 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 6117640344 is about 78215.3459622854. The cubic root of 6117640344 is about 1828.9197386829.

The spelling of 6117640344 in words is "six billion, one hundred seventeen million, six hundred forty thousand, three hundred forty-four".