9644460264 has 128 divisors (see below), whose sum is σ = 28590796800. Its totient is φ = 3001743360.

The previous prime is 9644460181. The next prime is 9644460289. The reversal of 9644460264 is 4620644469.

9644460264 is a `hidden beast` number, since 96 + 44 + 460 + 2 + 64 = 666.

It is a super-2 number, since 2×9644460264² (a number of 21 digits) contains 22 as substring.

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, 456004 + ... + 476684.

It is an arithmetic number, because the mean of its divisors is an integer number (223365600).

Almost surely, 2^9644460264 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 9644460264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14295398400).

9644460264 is an abundant number, since it is smaller than the sum of its proper divisors (18946336536).

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

9644460264 is a wasteful number, since it uses less digits than its factorization.

9644460264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840 (or 20830 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The square root of 9644460264 is about 98206.2129602807. The cubic root of 9644460264 is about 2128.5930641320.

The spelling of 9644460264 in words is "nine billion, six hundred forty-four million, four hundred sixty thousand, two hundred sixty-four".