6464808460 has 48 divisors (see below), whose sum is σ = 15013206432. Its totient is φ = 2318630400.

The previous prime is 6464808443. The next prime is 6464808509. The reversal of 6464808460 is 648084646.

It is a self number, because there is not a number n which added to its sum of digits gives 6464808460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185211 + ... + 217330.

It is an arithmetic number, because the mean of its divisors is an integer number (312775134).

Almost surely, 2^6464808460 is an apocalyptic number.

It is an amenable number.

6464808460 is an abundant number, since it is smaller than the sum of its proper divisors (8548397972).

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

6464808460 is a wasteful number, since it uses less digits than its factorization.

6464808460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402634 (or 402632 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 6464808460 is about 80404.0326103113. The cubic root of 6464808460 is about 1862.8814608970.

It can be divided in two parts, 646480 and 8460, that added together give a triangular number (654940 = T₁₁₄₄).

The spelling of 6464808460 in words is "six billion, four hundred sixty-four million, eight hundred eight thousand, four hundred sixty".