42155165234 has 64 divisors (see below), whose sum is σ = 83799878400. Its totient is φ = 15429685248.

The previous prime is 42155165219. The next prime is 42155165237. The reversal of 42155165234 is 43256155124.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42155165237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67082 + ... + 298010.

It is an arithmetic number, because the mean of its divisors is an integer number (1309373100).

Almost surely, 2^42155165234 is an apocalyptic number.

42155165234 is a deficient number, since it is larger than the sum of its proper divisors (41644713166).

42155165234 is a wasteful number, since it uses less digits than its factorization.

42155165234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231027.

The product of its digits is 144000, while the sum is 38.

The spelling of 42155165234 in words is "forty-two billion, one hundred fifty-five million, one hundred sixty-five thousand, two hundred thirty-four".