22044441040 has 20 divisors (see below), whose sum is σ = 51253325604. Its totient is φ = 8817776384.

The previous prime is 22044440993. The next prime is 22044441043. The reversal of 22044441040 is 4014444022.

It can be written as a sum of positive squares in 2 ways, for example, as 4359696784 + 17684744256 = 66028^2 + 132984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 22044440996 and 22044441014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044441043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137777677 + ... + 137777836.

Almost surely, 2^22044441040 is an apocalyptic number.

22044441040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044441040 is an abundant number, since it is smaller than the sum of its proper divisors (29208884564).

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

22044441040 is a wasteful number, since it uses less digits than its factorization.

22044441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275555526 (or 275555520 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22044441040 its reverse (4014444022), we get a palindrome (26058885062).

The spelling of 22044441040 in words is "twenty-two billion, forty-four million, four hundred forty-one thousand, forty".