22504401240 has 64 divisors (see below), whose sum is σ = 67525682400. Its totient is φ = 6000064512.

The previous prime is 22504401223. The next prime is 22504401251. The reversal of 22504401240 is 4210440522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22504401240.

It is a congruent number.

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, 791104 + ... + 819056.

Almost surely, 2^22504401240 is an apocalyptic number.

22504401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22504401240 is an abundant number, since it is smaller than the sum of its proper divisors (45021281160).

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

22504401240 is a wasteful number, since it uses less digits than its factorization.

22504401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34676 (or 34672 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 22504401240 its reverse (4210440522), we get a palindrome (26714841762).

The spelling of 22504401240 in words is "twenty-two billion, five hundred four million, four hundred one thousand, two hundred forty".