22540020042 has 16 divisors (see below), whose sum is σ = 45844109280. Its totient is φ = 7385995152.

The previous prime is 22540020037. The next prime is 22540020089. The reversal of 22540020042 is 24002004522.

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, 31835833 + ... + 31836540.

It is an arithmetic number, because the mean of its divisors is an integer number (2865256830).

Almost surely, 2^22540020042 is an apocalyptic number.

22540020042 is an abundant number, since it is smaller than the sum of its proper divisors (23304089238).

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

22540020042 is a wasteful number, since it uses less digits than its factorization.

22540020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63672437.

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 22540020042 its reverse (24002004522), we get a palindrome (46542024564).

The spelling of 22540020042 in words is "twenty-two billion, five hundred forty million, twenty thousand, forty-two".