1444421130 has 64 divisors (see below), whose sum is σ = 3611520000. Its totient is φ = 369308160.

The previous prime is 1444421123. The next prime is 1444421177. The reversal of 1444421130 is 311244441.

It is a self number, because there is not a number n which added to its sum of digits gives 1444421130.

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, 94246 + ... + 108494.

It is an arithmetic number, because the mean of its divisors is an integer number (56430000).

Almost surely, 2^1444421130 is an apocalyptic number.

1444421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444421130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805760000).

1444421130 is an abundant number, since it is smaller than the sum of its proper divisors (2167098870).

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

1444421130 is a wasteful number, since it uses less digits than its factorization.

1444421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14399.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1444421130 is about 38005.5407802599. The cubic root of 1444421130 is about 1130.3977324430.

Adding to 1444421130 its reverse (311244441), we get a palindrome (1755665571).

The spelling of 1444421130 in words is "one billion, four hundred forty-four million, four hundred twenty-one thousand, one hundred thirty".