842427232605 has 48 divisors (see below), whose sum is σ = 1730615961984. Its totient is φ = 385109588160.

The previous prime is 842427232583. The next prime is 842427232663. The reversal of 842427232605 is 506232724248.

842427232605 is a `hidden beast` number, since 8 + 4 + 2 + 4 + 2 + 7 + 2 + 32 + 605 = 666.

It is not a de Polignac number, because 842427232605 - 2¹² = 842427228509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49516906 + ... + 49533915.

It is an arithmetic number, because the mean of its divisors is an integer number (36054499208).

Almost surely, 2^842427232605 is an apocalyptic number.

It is an amenable number.

842427232605 is an abundant number, since it is smaller than the sum of its proper divisors (888188729379).

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

842427232605 is an equidigital number, since it uses as much as digits as its factorization.

842427232605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99050848 (or 99050836 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 842427232605 in words is "eight hundred forty-two billion, four hundred twenty-seven million, two hundred thirty-two thousand, six hundred five".