842427236628 has 48 divisors (see below), whose sum is σ = 2299021704000. Its totient is φ = 266029653024.

The previous prime is 842427236597. The next prime is 842427236659. The reversal of 842427236628 is 826632724248.

842427236628 is a `hidden beast` number, since 8 + 4 + 2 + 4 + 2 + 7 + 2 + 3 + 6 + 628 = 666.

It is an interprime number because it is at equal distance from previous prime (842427236597) and next prime (842427236659).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205267743 + ... + 205271846.

It is an arithmetic number, because the mean of its divisors is an integer number (47896285500).

Almost surely, 2^842427236628 is an apocalyptic number.

It is an amenable number.

842427236628 is an abundant number, since it is smaller than the sum of its proper divisors (1456594467372).

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

842427236628 is a wasteful number, since it uses less digits than its factorization.

842427236628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410539621 (or 410539613 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 54.

The spelling of 842427236628 in words is "eight hundred forty-two billion, four hundred twenty-seven million, two hundred thirty-six thousand, six hundred twenty-eight".