6478331944 has 24 divisors (see below), whose sum is σ = 14130036090. Its totient is φ = 2776427808.

The previous prime is 6478331939. The next prime is 6478331957. The reversal of 6478331944 is 4491338746.

It can be written as a sum of positive squares in only one way, i.e., 4298375844 + 2179956100 = 65562^2 + 46690^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8262787 + ... + 8263570.

Almost surely, 2^6478331944 is an apocalyptic number.

It is an amenable number.

6478331944 is an abundant number, since it is smaller than the sum of its proper divisors (7651704146).

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

6478331944 is a wasteful number, since it uses less digits than its factorization.

6478331944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526377 (or 16526366 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 6478331944 is about 80488.0857270193. The cubic root of 6478331944 is about 1864.1795195408.

The spelling of 6478331944 in words is "six billion, four hundred seventy-eight million, three hundred thirty-one thousand, nine hundred forty-four".