444574086 has 96 divisors (see below), whose sum is σ = 1013523840. Its totient is φ = 129845760.

The previous prime is 444574079. The next prime is 444574087. The reversal of 444574086 is 680475444.

It is a super-2 number, since 2×444574086² = 395292235885470792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444574087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4154845 + ... + 4154951.

It is an arithmetic number, because the mean of its divisors is an integer number (10557540).

Almost surely, 2^444574086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444574086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506761920).

444574086 is an abundant number, since it is smaller than the sum of its proper divisors (568949754).

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

444574086 is a wasteful number, since it uses less digits than its factorization.

444574086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 444574086 is about 21084.9255630652. The cubic root of 444574086 is about 763.2170224229.

The spelling of 444574086 in words is "four hundred forty-four million, five hundred seventy-four thousand, eighty-six".