22143411200440 has 64 divisors (see below), whose sum is σ = 53560770739200. Its totient is φ = 8212651486848.

The previous prime is 22143411200359. The next prime is 22143411200453. The reversal of 22143411200440 is 4400211434122.

It is a junction number, because it is equal to n+sod(n) for n = 22143411200399 and 22143411200408.

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, 309922444 + ... + 309993883.

It is an arithmetic number, because the mean of its divisors is an integer number (836887042800).

Almost surely, 2^{22143411200440} is an apocalyptic number.

22143411200440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143411200440 is an abundant number, since it is smaller than the sum of its proper divisors (31417359538760).

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

22143411200440 is a wasteful number, since it uses less digits than its factorization.

22143411200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619916404 (or 619916400 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 22143411200440 its reverse (4400211434122), we get a palindrome (26543622634562).

The spelling of 22143411200440 in words is "twenty-two trillion, one hundred forty-three billion, four hundred eleven million, two hundred thousand, four hundred forty".