22539240942 has 32 divisors (see below), whose sum is σ = 46141463808. Its totient is φ = 7336027776.

The previous prime is 22539240929. The next prime is 22539240953. The reversal of 22539240942 is 24904293522.

It is a junction number, because it is equal to n+sod(n) for n = 22539240894 and 22539240903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922678 + ... + 946790.

It is an arithmetic number, because the mean of its divisors is an integer number (1441920744).

Almost surely, 2^22539240942 is an apocalyptic number.

22539240942 is an abundant number, since it is smaller than the sum of its proper divisors (23602222866).

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

22539240942 is a wasteful number, since it uses less digits than its factorization.

22539240942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27784.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 22539240942 in words is "twenty-two billion, five hundred thirty-nine million, two hundred forty thousand, nine hundred forty-two".