8626644252 has 72 divisors (see below), whose sum is σ = 22985486160. Its totient is φ = 2720459520.

The previous prime is 8626644251. The next prime is 8626644253. The reversal of 8626644252 is 2524466268.

It is an interprime number because it is at equal distance from previous prime (8626644251) and next prime (8626644253).

It is a junction number, because it is equal to n+sod(n) for n = 8626644198 and 8626644207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8626644251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512238 + ... + 528810.

Almost surely, 2^8626644252 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 8626644252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11492743080).

8626644252 is an abundant number, since it is smaller than the sum of its proper divisors (14358841908).

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

8626644252 is a wasteful number, since it uses less digits than its factorization.

8626644252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363 (or 17358 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 8626644252 is about 92879.7300383674. The cubic root of 8626644252 is about 2050.9132755656.

The spelling of 8626644252 in words is "eight billion, six hundred twenty-six million, six hundred forty-four thousand, two hundred fifty-two".