8626426144 has 96 divisors (see below), whose sum is σ = 20581174656. Its totient is φ = 3474493440.

The previous prime is 8626426139. The next prime is 8626426163. The reversal of 8626426144 is 4416246268.

It is a self number, because there is not a number n which added to its sum of digits gives 8626426144.

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, 3696402 + ... + 3698734.

It is an arithmetic number, because the mean of its divisors is an integer number (214387236).

Almost surely, 2^8626426144 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 8626426144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10290587328).

8626426144 is an abundant number, since it is smaller than the sum of its proper divisors (11954748512).

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

8626426144 is a wasteful number, since it uses less digits than its factorization.

8626426144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3330 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 8626426144 is about 92878.5558888595. Note that the first 3 decimals coincide. The cubic root of 8626426144 is about 2050.8959909627.

The spelling of 8626426144 in words is "eight billion, six hundred twenty-six million, four hundred twenty-six thousand, one hundred forty-four".