22431908560 has 80 divisors (see below), whose sum is σ = 53554250880. Its totient is φ = 8734855680.

The previous prime is 22431908549. The next prime is 22431908567. The reversal of 22431908560 is 6580913422.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431908567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463090 + ... + 509230.

It is an arithmetic number, because the mean of its divisors is an integer number (669428136).

Almost surely, 2^22431908560 is an apocalyptic number.

22431908560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22431908560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26777125440).

22431908560 is an abundant number, since it is smaller than the sum of its proper divisors (31122342320).

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

22431908560 is a wasteful number, since it uses less digits than its factorization.

22431908560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46316 (or 46310 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 22431908560 in words is "twenty-two billion, four hundred thirty-one million, nine hundred eight thousand, five hundred sixty".