85540180080 has 80 divisors (see below), whose sum is σ = 266639746464. Its totient is φ = 22684677120.

The previous prime is 85540180073. The next prime is 85540180111. The reversal of 85540180080 is 8008104558.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 941139 + ... + 1028018.

Almost surely, 2^85540180080 is an apocalyptic number.

85540180080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85540180080 is an abundant number, since it is smaller than the sum of its proper divisors (181099566384).

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

85540180080 is a wasteful number, since it uses less digits than its factorization.

85540180080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969354 (or 1969348 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The spelling of 85540180080 in words is "eighty-five billion, five hundred forty million, one hundred eighty thousand, eighty".