22000044040040 has 32 divisors (see below), whose sum is σ = 54000108099360. Its totient is φ = 8000016014400.

The previous prime is 22000044039979. The next prime is 22000044040109. The reversal of 22000044040040 is 4004044000022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22000044039994 and 22000044040021.

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, 25000049606 + ... + 25000050485.

It is an arithmetic number, because the mean of its divisors is an integer number (1687503378105).

Almost surely, 2^{22000044040040} is an apocalyptic number.

22000044040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000044040040 is an abundant number, since it is smaller than the sum of its proper divisors (32000064059320).

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

22000044040040 is a wasteful number, since it uses less digits than its factorization.

22000044040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50000100113 (or 50000100109 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22000044040040 its reverse (4004044000022), we get a palindrome (26004088040062).

The spelling of 22000044040040 in words is "twenty-two trillion, forty-four million, forty thousand, forty".