22641365424 has 40 divisors (see below), whose sum is σ = 58515469552. Its totient is φ = 7543860480.

The previous prime is 22641365407. The next prime is 22641365449. The reversal of 22641365424 is 42456314622.

It is a happy 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, 11622 + ... + 213114.

Almost surely, 2^22641365424 is an apocalyptic number.

22641365424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22641365424 is an abundant number, since it is smaller than the sum of its proper divisors (35874104128).

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

22641365424 is a wasteful number, since it uses less digits than its factorization.

22641365424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203845 (or 203839 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The spelling of 22641365424 in words is "twenty-two billion, six hundred forty-one million, three hundred sixty-five thousand, four hundred twenty-four".