42169125788 has 12 divisors (see below), whose sum is σ = 73891442520. Its totient is φ = 21057285072.

The previous prime is 42169125731. The next prime is 42169125793. The reversal of 42169125788 is 88752196124.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815978 + ... + 6822161.

It is an arithmetic number, because the mean of its divisors is an integer number (6157620210).

Almost surely, 2^42169125788 is an apocalyptic number.

It is an amenable number.

42169125788 is a deficient number, since it is larger than the sum of its proper divisors (31722316732).

42169125788 is a wasteful number, since it uses less digits than its factorization.

42169125788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638916 (or 13638914 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 42169125788 in words is "forty-two billion, one hundred sixty-nine million, one hundred twenty-five thousand, seven hundred eighty-eight".