22440044666040 has 32 divisors (see below), whose sum is σ = 67320133998480. Its totient is φ = 5984011910912.

The previous prime is 22440044665981. The next prime is 22440044666051. The reversal of 22440044666040 is 4066644004422.

It is a super-2 number, since 2×22440044666040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22440044665983 and 22440044666001.

It is a congruent number.

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, 93500185989 + ... + 93500186228.

Almost surely, 2^{22440044666040} is an apocalyptic number.

22440044666040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440044666040 is an abundant number, since it is smaller than the sum of its proper divisors (44880089332440).

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

22440044666040 is a wasteful number, since it uses less digits than its factorization.

22440044666040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187000372231 (or 187000372227 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 22440044666040 in words is "twenty-two trillion, four hundred forty billion, forty-four million, six hundred sixty-six thousand, forty".