22431200441240 has 32 divisors (see below), whose sum is σ = 50470443809280. Its totient is φ = 8972437009152.

The previous prime is 22431200441239. The next prime is 22431200441261. The reversal of 22431200441240 is 4214400213422.

It is a happy number.

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, 7842212 + ... + 10313228.

It is an arithmetic number, because the mean of its divisors is an integer number (1577201369040).

Almost surely, 2^{22431200441240} is an apocalyptic number.

22431200441240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22431200441240 is an abundant number, since it is smaller than the sum of its proper divisors (28039243368040).

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

22431200441240 is a wasteful number, since it uses less digits than its factorization.

22431200441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697971 (or 2697967 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 22431200441240 its reverse (4214400213422), we get a palindrome (26645600654662).

The spelling of 22431200441240 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred million, four hundred forty-one thousand, two hundred forty".