85420180032 has 112 divisors (see below), whose sum is σ = 246761812800. Its totient is φ = 25863055360.

The previous prime is 85420180009. The next prime is 85420180091. The reversal of 85420180032 is 23008102458.

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

It is a junction number, because it is equal to n+sod(n) for n = 85420179975 and 85420180002.

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, 2579194 + ... + 2612102.

Almost surely, 2^85420180032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85420180032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123380906400).

85420180032 is an abundant number, since it is smaller than the sum of its proper divisors (161341632768).

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

85420180032 is a wasteful number, since it uses less digits than its factorization.

85420180032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164 (or 34154 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 85420180032 in words is "eighty-five billion, four hundred twenty million, one hundred eighty thousand, thirty-two".