42906335922 has 18 divisors (see below), whose sum is σ = 92965631967. Its totient is φ = 14301819036.

The previous prime is 42906335917. The next prime is 42906335929. The reversal of 42906335922 is 22953360924.

42906335922 is a `hidden beast` number, since 4 + 2 + 9 + 0 + 633 + 5 + 9 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21453167961 + 21453167961 = 146469^2 + 146469^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=146469.

It is not an unprimeable number, because it can be changed into a prime (42906335929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 854403 + ... + 903225.

Almost surely, 2^42906335922 is an apocalyptic number.

42906335922 is an abundant number, since it is smaller than the sum of its proper divisors (50059296045).

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

42906335922 is an frugal number, since it uses more digits than its factorization.

42906335922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97654 (or 48828 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 42906335922 in words is "forty-two billion, nine hundred six million, three hundred thirty-five thousand, nine hundred twenty-two".