842427237650 has 24 divisors (see below), whose sum is σ = 1574340817584. Its totient is φ = 335373872400.

The previous prime is 842427237637. The next prime is 842427237661. The reversal of 842427237650 is 56732724248.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39914912 + ... + 39936011.

It is an arithmetic number, because the mean of its divisors is an integer number (65597534066).

Almost surely, 2^842427237650 is an apocalyptic number.

842427237650 is a deficient number, since it is larger than the sum of its proper divisors (731913579934).

842427237650 is a wasteful number, since it uses less digits than its factorization.

842427237650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79851146 (or 79851141 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 842427237650 in words is "eight hundred forty-two billion, four hundred twenty-seven million, two hundred thirty-seven thousand, six hundred fifty".