842053358420 has 24 divisors (see below), whose sum is σ = 1768778416104. Its totient is φ = 336732512256.

The previous prime is 842053358407. The next prime is 842053358477. The reversal of 842053358420 is 24853350248.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11833523524 + 830219834896 = 108782^2 + 911164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5474189 + ... + 5625908.

It is an arithmetic number, because the mean of its divisors is an integer number (73699100671).

Almost surely, 2^842053358420 is an apocalyptic number.

It is an amenable number.

842053358420 is an abundant number, since it is smaller than the sum of its proper divisors (926725057684).

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

842053358420 is a wasteful number, since it uses less digits than its factorization.

842053358420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11103899 (or 11103897 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 842053358420 in words is "eight hundred forty-two billion, fifty-three million, three hundred fifty-eight thousand, four hundred twenty".