40440244222422 has 48 divisors (see below), whose sum is σ = 95604728897808. Its totient is φ = 12252222397440.

The previous prime is 40440244222409. The next prime is 40440244222447. The reversal of 40440244222422 is 22422244204404.

40440244222422 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 0 + 2 + 4 + 4 + 222 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18960603 + ... + 20985350.

It is an arithmetic number, because the mean of its divisors is an integer number (1991765185371).

Almost surely, 2^{40440244222422} is an apocalyptic number.

40440244222422 is an abundant number, since it is smaller than the sum of its proper divisors (55164484675386).

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

40440244222422 is a wasteful number, since it uses less digits than its factorization.

40440244222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39951085 (or 39951082 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 40440244222422 its reverse (22422244204404), we get a palindrome (62862488426826).

The spelling of 40440244222422 in words is "forty trillion, four hundred forty billion, two hundred forty-four million, two hundred twenty-two thousand, four hundred twenty-two".