842189478054 has 16 divisors (see below), whose sum is σ = 1688823232320. Its totient is φ = 279989113320.

The previous prime is 842189478037. The next prime is 842189478059. The reversal of 842189478054 is 450874981248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842189478059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185175712 + ... + 185180259.

It is an arithmetic number, because the mean of its divisors is an integer number (105551452020).

Almost surely, 2^842189478054 is an apocalyptic number.

842189478054 is an abundant number, since it is smaller than the sum of its proper divisors (846633754266).

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

842189478054 is a wasteful number, since it uses less digits than its factorization.

842189478054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370356355.

The product of its (nonzero) digits is 20643840, while the sum is 60.

It can be divided in two parts, 8421894 and 78054, that added together give a palindrome (8499948).

The spelling of 842189478054 in words is "eight hundred forty-two billion, one hundred eighty-nine million, four hundred seventy-eight thousand, fifty-four".