85594240 has 64 divisors (see below), whose sum is σ = 215424000. Its totient is φ = 32431104.

The previous prime is 85594211. The next prime is 85594253. The reversal of 85594240 is 4249558.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 85594240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8641 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (3366000).

Almost surely, 2^85594240 is an apocalyptic number.

85594240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85594240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107712000).

85594240 is an abundant number, since it is smaller than the sum of its proper divisors (129829760).

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

85594240 is a wasteful number, since it uses less digits than its factorization.

85594240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077 (or 7065 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 85594240 is about 9251.7155165947. The cubic root of 85594240 is about 440.7052052243.

The spelling of 85594240 in words is "eighty-five million, five hundred ninety-four thousand, two hundred forty".