85444310 has 64 divisors (see below), whose sum is σ = 186181632. Its totient is φ = 27599616.

The previous prime is 85444309. The next prime is 85444313. The reversal of 85444310 is 1344458.

It is a super-2 number, since 2×85444310² = 14601460222752200, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85444313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117167 + ... + 117893.

It is an arithmetic number, because the mean of its divisors is an integer number (2909088).

Almost surely, 2^85444310 is an apocalyptic number.

85444310 is an abundant number, since it is smaller than the sum of its proper divisors (100737322).

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

85444310 is a wasteful number, since it uses less digits than its factorization.

85444310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 85444310 is about 9243.6091436192. The cubic root of 85444310 is about 440.4477363854.

Adding to 85444310 its reverse (1344458), we get a palindrome (86788768).

The spelling of 85444310 in words is "eighty-five million, four hundred forty-four thousand, three hundred ten".