40442423022 has 12 divisors (see below), whose sum is σ = 87625249920. Its totient is φ = 13480807668.

The previous prime is 40442423009. The next prime is 40442423029. The reversal of 40442423022 is 22032424404.

40442423022 is a `hidden beast` number, since 4 + 0 + 4 + 424 + 230 + 2 + 2 = 666.

It is a super-2 number, since 2×40442423022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442423029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123400622 + ... + 1123400657.

It is an arithmetic number, because the mean of its divisors is an integer number (7302104160).

Almost surely, 2^40442423022 is an apocalyptic number.

40442423022 is an abundant number, since it is smaller than the sum of its proper divisors (47182826898).

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

40442423022 is a wasteful number, since it uses less digits than its factorization.

40442423022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246801287 (or 2246801284 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 40442423022 its reverse (22032424404), we get a palindrome (62474847426).

The spelling of 40442423022 in words is "forty billion, four hundred forty-two million, four hundred twenty-three thousand, twenty-two".