42922538672 has 40 divisors (see below), whose sum is σ = 94827743136. Its totient is φ = 18645083136.

The previous prime is 42922538671. The next prime is 42922538683. The reversal of 42922538672 is 27683522924.

It is a self number, because there is not a number n which added to its sum of digits gives 42922538672.

It is not an unprimeable number, because it can be changed into a prime (42922538671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6065828 + ... + 6072899.

Almost surely, 2^42922538672 is an apocalyptic number.

It is an amenable number.

42922538672 is an abundant number, since it is smaller than the sum of its proper divisors (51905204464).

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

42922538672 is a wasteful number, since it uses less digits than its factorization.

42922538672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12138765 (or 12138759 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 42922538672 in words is "forty-two billion, nine hundred twenty-two million, five hundred thirty-eight thousand, six hundred seventy-two".