4440146064 has 80 divisors (see below), whose sum is σ = 11602828800. Its totient is φ = 1463031808.

The previous prime is 4440146047. The next prime is 4440146069. The reversal of 4440146064 is 4606410444.

It is not an unprimeable number, because it can be changed into a prime (4440146069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597242 + ... + 2598950.

It is an arithmetic number, because the mean of its divisors is an integer number (145035360).

Almost surely, 2^4440146064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4440146064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5801414400).

4440146064 is an abundant number, since it is smaller than the sum of its proper divisors (7162682736).

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

4440146064 is a wasteful number, since it uses less digits than its factorization.

4440146064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 4440146064 is about 66634.4210149679. The cubic root of 4440146064 is about 1643.6111760353.

The spelling of 4440146064 in words is "four billion, four hundred forty million, one hundred forty-six thousand, sixty-four".