85201140 has 48 divisors (see below), whose sum is σ = 242484480. Its totient is φ = 22346880.

The previous prime is 85201097. The next prime is 85201169. The reversal of 85201140 is 4110258.

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, 7980 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (5051760).

Almost surely, 2^85201140 is an apocalyptic number.

It is an amenable number.

85201140 is an abundant number, since it is smaller than the sum of its proper divisors (157283340).

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

85201140 is a wasteful number, since it uses less digits than its factorization.

85201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352 (or 23350 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 85201140 is about 9230.4463597380. The cubic root of 85201140 is about 440.0295090402.

Adding to 85201140 its reverse (4110258), we get a palindrome (89311398).

The spelling of 85201140 in words is "eighty-five million, two hundred one thousand, one hundred forty".