2623242664 has 64 divisors (see below), whose sum is σ = 5990146560. Its totient is φ = 1051315200.

The previous prime is 2623242659. The next prime is 2623242691. The reversal of 2623242664 is 4662423262.

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, 140689 + ... + 158239.

It is an arithmetic number, because the mean of its divisors is an integer number (93596040).

Almost surely, 2^2623242664 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 2623242664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995073280).

2623242664 is an abundant number, since it is smaller than the sum of its proper divisors (3366903896).

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

2623242664 is a wasteful number, since it uses less digits than its factorization.

2623242664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738 (or 17734 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

The square root of 2623242664 is about 51217.6011152416. The cubic root of 2623242664 is about 1379.1541872948.

The spelling of 2623242664 in words is "two billion, six hundred twenty-three million, two hundred forty-two thousand, six hundred sixty-four".