6431328260 has 96 divisors (see below), whose sum is σ = 16094453760. Its totient is φ = 2112058368.

The previous prime is 6431328257. The next prime is 6431328341. The reversal of 6431328260 is 628231346.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6431328260.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509384 + ... + 521856.

It is an arithmetic number, because the mean of its divisors is an integer number (167650560).

Almost surely, 2^6431328260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6431328260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8047226880).

6431328260 is an abundant number, since it is smaller than the sum of its proper divisors (9663125500).

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

6431328260 is a wasteful number, since it uses less digits than its factorization.

6431328260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645 (or 12643 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 6431328260 is about 80195.5625954454. The cubic root of 6431328260 is about 1859.6600392281.

The spelling of 6431328260 in words is "six billion, four hundred thirty-one million, three hundred twenty-eight thousand, two hundred sixty".