439945110 has 144 divisors (see below), whose sum is σ = 1277246880. Its totient is φ = 104966400.

The previous prime is 439945061. The next prime is 439945111. The reversal of 439945110 is 11549934.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439945111) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 772906 + ... + 773474.

It is an arithmetic number, because the mean of its divisors is an integer number (8869770).

Almost surely, 2^439945110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439945110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638623440).

439945110 is an abundant number, since it is smaller than the sum of its proper divisors (837301770).

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

439945110 is a wasteful number, since it uses less digits than its factorization.

439945110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 439945110 is about 20974.8685335570. The cubic root of 439945110 is about 760.5588629490.

It can be divided in two parts, 439 and 945110, that added together give a palindrome (945549).

The spelling of 439945110 in words is "four hundred thirty-nine million, nine hundred forty-five thousand, one hundred ten".