85440150 has 96 divisors (see below), whose sum is σ = 247900800. Its totient is φ = 21578400.

The previous prime is 85440137. The next prime is 85440151. The reversal of 85440150 is 5104458.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85440151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23985 + ... + 27315.

It is an arithmetic number, because the mean of its divisors is an integer number (2582300).

Almost surely, 2^85440150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85440150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123950400).

85440150 is an abundant number, since it is smaller than the sum of its proper divisors (162460650).

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

85440150 is a wasteful number, since it uses less digits than its factorization.

85440150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 85440150 is about 9243.3841205481. The cubic root of 85440150 is about 440.4405882897.

The spelling of 85440150 in words is "eighty-five million, four hundred forty thousand, one hundred fifty".