842157264232 has 8 divisors (see below), whose sum is σ = 1579044870450. Its totient is φ = 421078632112.

The previous prime is 842157264187. The next prime is 842157264233. The reversal of 842157264232 is 232462751248.

It can be written as a sum of positive squares in only one way, i.e., 601874949636 + 240282314596 = 775806^2 + 490186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52634829007 + ... + 52634829022.

Almost surely, 2^842157264232 is an apocalyptic number.

It is an amenable number.

842157264232 is a deficient number, since it is larger than the sum of its proper divisors (736887606218).

842157264232 is a wasteful number, since it uses less digits than its factorization.

842157264232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105269658035 (or 105269658031 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The spelling of 842157264232 in words is "eight hundred forty-two billion, one hundred fifty-seven million, two hundred sixty-four thousand, two hundred thirty-two".