85064440 has 16 divisors (see below), whose sum is σ = 191395080. Its totient is φ = 34025760.

The previous prime is 85064437. The next prime is 85064471. The reversal of 85064440 is 4446058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063266 + ... + 1063345.

Almost surely, 2^85064440 is an apocalyptic number.

It is an amenable number.

85064440 is an abundant number, since it is smaller than the sum of its proper divisors (106330640).

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

85064440 is a wasteful number, since it uses less digits than its factorization.

85064440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126622 (or 2126618 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 85064440 is about 9223.0385448614. The cubic root of 85064440 is about 439.7940496216.

The spelling of 85064440 in words is "eighty-five million, sixty-four thousand, four hundred forty".