42040440022 has 16 divisors (see below), whose sum is σ = 75862448640. Its totient is φ = 17069050728.

The previous prime is 42040440019. The next prime is 42040440061. The reversal of 42040440022 is 22004404024.

It is a junction number, because it is equal to n+sod(n) for n = 42040439975 and 42040440002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79023118 + ... + 79023649.

It is an arithmetic number, because the mean of its divisors is an integer number (4741403040).

Almost surely, 2^42040440022 is an apocalyptic number.

42040440022 is a deficient number, since it is larger than the sum of its proper divisors (33822008618).

42040440022 is a wasteful number, since it uses less digits than its factorization.

42040440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158046795.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42040440022 its reverse (22004404024), we get a palindrome (64044844046).

The spelling of 42040440022 in words is "forty-two billion, forty million, four hundred forty thousand, twenty-two".