24424294644 has 72 divisors (see below), whose sum is σ = 63553056840. Its totient is φ = 7905411072.

The previous prime is 24424294633. The next prime is 24424294669. The reversal of 24424294644 is 44649242442.

It can be written as a sum of positive squares in 4 ways, for example, as 1508390244 + 22915904400 = 38838^2 + 151380^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 24424294644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119092 + ... + 251060.

It is an arithmetic number, because the mean of its divisors is an integer number (882681345).

Almost surely, 2^24424294644 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 24424294644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31776528420).

24424294644 is an abundant number, since it is smaller than the sum of its proper divisors (39128762196).

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

24424294644 is a wasteful number, since it uses less digits than its factorization.

24424294644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132129 (or 132124 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 45.

The spelling of 24424294644 in words is "twenty-four billion, four hundred twenty-four million, two hundred ninety-four thousand, six hundred forty-four".