1444450458 has 64 divisors (see below), whose sum is σ = 3361627008. Its totient is φ = 408913920.

The previous prime is 1444450421. The next prime is 1444450463. The reversal of 1444450458 is 8540544441.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149016 + ... + 158412.

It is an arithmetic number, because the mean of its divisors is an integer number (52525422).

Almost surely, 2^1444450458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444450458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680813504).

1444450458 is an abundant number, since it is smaller than the sum of its proper divisors (1917176550).

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

1444450458 is a wasteful number, since it uses less digits than its factorization.

1444450458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567.

The product of its (nonzero) digits is 204800, while the sum is 39.

The square root of 1444450458 is about 38005.9266167791. The cubic root of 1444450458 is about 1130.4053830465.

Adding to 1444450458 its reverse (8540544441), we get a palindrome (9984994899).

The spelling of 1444450458 in words is "one billion, four hundred forty-four million, four hundred fifty thousand, four hundred fifty-eight".