8632360644 has 24 divisors (see below), whose sum is σ = 21017922240. Its totient is φ = 2752346784.

The previous prime is 8632360643. The next prime is 8632360663. The reversal of 8632360644 is 4460632368.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8632360596 and 8632360605.

It is not an unprimeable number, because it can be changed into a prime (8632360643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15638059 + ... + 15638610.

It is an arithmetic number, because the mean of its divisors is an integer number (875746760).

Almost surely, 2^8632360644 is an apocalyptic number.

It is an amenable number.

8632360644 is an abundant number, since it is smaller than the sum of its proper divisors (12385561596).

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

8632360644 is a wasteful number, since it uses less digits than its factorization.

8632360644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31276699 (or 31276697 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 8632360644 is about 92910.4980290172. The cubic root of 8632360644 is about 2051.3661838375.

The spelling of 8632360644 in words is "eight billion, six hundred thirty-two million, three hundred sixty thousand, six hundred forty-four".