42185675998 has 16 divisors (see below), whose sum is σ = 68159748096. Its totient is φ = 19524926520.

The previous prime is 42185675977. The next prime is 42185676011. The reversal of 42185675998 is 89957658124.

It is a happy number.

It is a congruent number.

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, 14790186 + ... + 14793037.

It is an arithmetic number, because the mean of its divisors is an integer number (4259984256).

Almost surely, 2^42185675998 is an apocalyptic number.

42185675998 is a deficient number, since it is larger than the sum of its proper divisors (25974072098).

42185675998 is a wasteful number, since it uses less digits than its factorization.

42185675998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29583279.

The product of its digits is 43545600, while the sum is 64.

The spelling of 42185675998 in words is "forty-two billion, one hundred eighty-five million, six hundred seventy-five thousand, nine hundred ninety-eight".