22431301040 has 80 divisors (see below), whose sum is σ = 52552115616. Its totient is φ = 8904038400.

The previous prime is 22431301027. The next prime is 22431301051. The reversal of 22431301040 is 4010313422.

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 (20).

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, 8266724 + ... + 8269436.

Almost surely, 2^22431301040 is an apocalyptic number.

22431301040 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 22431301040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26276057808).

22431301040 is an abundant number, since it is smaller than the sum of its proper divisors (30120814576).

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

22431301040 is a wasteful number, since it uses less digits than its factorization.

22431301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22431301040 its reverse (4010313422), we get a palindrome (26441614462).

The spelling of 22431301040 in words is "twenty-two billion, four hundred thirty-one million, three hundred one thousand, forty".