23621540224 has 64 divisors (see below), whose sum is σ = 49154273280. Its totient is φ = 11285824000.

The previous prime is 23621540209. The next prime is 23621540291. The reversal of 23621540224 is 42204512632.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385059 + ... + 3392029.

It is an arithmetic number, because the mean of its divisors is an integer number (768035520).

Almost surely, 2^23621540224 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 23621540224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24577136640).

23621540224 is an abundant number, since it is smaller than the sum of its proper divisors (25532733056).

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

23621540224 is a wasteful number, since it uses less digits than its factorization.

23621540224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159 (or 8147 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 23621540224 in words is "twenty-three billion, six hundred twenty-one million, five hundred forty thousand, two hundred twenty-four".