22240040440404 has 48 divisors (see below), whose sum is σ = 52479821842560. Its totient is φ = 7329586767360.

The previous prime is 22240040440399. The next prime is 22240040440421. The reversal of 22240040440404 is 40404404004222.

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, 16427272 + ... + 17729504.

It is an arithmetic number, because the mean of its divisors is an integer number (1093329621720).

Almost surely, 2^{22240040440404} is an apocalyptic number.

It is an amenable number.

22240040440404 is an abundant number, since it is smaller than the sum of its proper divisors (30239781402156).

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

22240040440404 is a wasteful number, since it uses less digits than its factorization.

22240040440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318320 (or 1318318 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22240040440404 its reverse (40404404004222), we get a palindrome (62644444444626).

The spelling of 22240040440404 in words is "twenty-two trillion, two hundred forty billion, forty million, four hundred forty thousand, four hundred four".