85216044132 has 36 divisors (see below), whose sum is σ = 215643757056. Its totient is φ = 28374156720.

The previous prime is 85216044127. The next prime is 85216044139. The reversal of 85216044132 is 23144061258.

It is a happy number.

85216044132 is a `hidden beast` number, since 8 + 5 + 2 + 1 + 604 + 41 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (85216044139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1266388 + ... + 1331979.

Almost surely, 2^85216044132 is an apocalyptic number.

It is an amenable number.

85216044132 is an abundant number, since it is smaller than the sum of its proper divisors (130427712924).

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

85216044132 is a wasteful number, since it uses less digits than its factorization.

85216044132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599288 (or 2599283 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 85216044132 in words is "eighty-five billion, two hundred sixteen million, forty-four thousand, one hundred thirty-two".