22042040004440 has 16 divisors (see below), whose sum is σ = 49594590010080. Its totient is φ = 8816816001760.

The previous prime is 22042040004431. The next prime is 22042040004451. The reversal of 22042040004440 is 4440004024022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275525500016 + ... + 275525500095.

It is an arithmetic number, because the mean of its divisors is an integer number (3099661875630).

Almost surely, 2^{22042040004440} is an apocalyptic number.

22042040004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042040004440 is an abundant number, since it is smaller than the sum of its proper divisors (27552550005640).

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

22042040004440 is a wasteful number, since it uses less digits than its factorization.

22042040004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551051000122 (or 551051000118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22042040004440 its reverse (4440004024022), we get a palindrome (26482044028462).

The spelling of 22042040004440 in words is "twenty-two trillion, forty-two billion, forty million, four thousand, four hundred forty".