85004042442 has 32 divisors (see below), whose sum is σ = 185474646720. Its totient is φ = 25757233920.

The previous prime is 85004042399. The next prime is 85004042467. The reversal of 85004042442 is 24424040058.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521784 + ... + 1576652.

It is an arithmetic number, because the mean of its divisors is an integer number (5796082710).

Almost surely, 2^85004042442 is an apocalyptic number.

85004042442 is an abundant number, since it is smaller than the sum of its proper divisors (100470604278).

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

85004042442 is a wasteful number, since it uses less digits than its factorization.

85004042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78358.

The product of its (nonzero) digits is 40960, while the sum is 33.

The spelling of 85004042442 in words is "eighty-five billion, four million, forty-two thousand, four hundred forty-two".