842157264234 has 64 divisors (see below), whose sum is σ = 2095173682560. Its totient is φ = 221711493120.

The previous prime is 842157264233. The next prime is 842157264281. The reversal of 842157264234 is 432462751248.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (842157264233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28854099 + ... + 28883270.

It is an arithmetic number, because the mean of its divisors is an integer number (32737088790).

Almost surely, 2^842157264234 is an apocalyptic number.

842157264234 is an abundant number, since it is smaller than the sum of its proper divisors (1253016418326).

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

842157264234 is a wasteful number, since it uses less digits than its factorization.

842157264234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57737415.

The product of its digits is 2580480, while the sum is 48.

The spelling of 842157264234 in words is "eight hundred forty-two billion, one hundred fifty-seven million, two hundred sixty-four thousand, two hundred thirty-four".