1444430130 has 128 divisors (see below), whose sum is σ = 4250050560. Its totient is φ = 309154560.

The previous prime is 1444430101. The next prime is 1444430131. The reversal of 1444430130 is 310344441.

It is a self number, because there is not a number n which added to its sum of digits gives 1444430130.

It is not an unprimeable number, because it can be changed into a prime (1444430131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91351 + ... + 105989.

It is an arithmetic number, because the mean of its divisors is an integer number (33203520).

Almost surely, 2^1444430130 is an apocalyptic number.

1444430130 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 1444430130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125025280).

1444430130 is an abundant number, since it is smaller than the sum of its proper divisors (2805620430).

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

1444430130 is a wasteful number, since it uses less digits than its factorization.

1444430130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1444430130 is about 38005.6591838637. The cubic root of 1444430130 is about 1130.4000802251.

Adding to 1444430130 its reverse (310344441), we get a palindrome (1754774571).

The spelling of 1444430130 in words is "one billion, four hundred forty-four million, four hundred thirty thousand, one hundred thirty".