4444142430 has 128 divisors (see below), whose sum is σ = 13148448768. Its totient is φ = 936156672.

The previous prime is 4444142419. The next prime is 4444142447. The reversal of 4444142430 is 342414444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2764687 + ... + 2766293.

It is an arithmetic number, because the mean of its divisors is an integer number (102722256).

Almost surely, 2^4444142430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444142430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6574224384).

4444142430 is an abundant number, since it is smaller than the sum of its proper divisors (8704306338).

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

4444142430 is a wasteful number, since it uses less digits than its factorization.

4444142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 4444142430 is about 66664.4015198517. The cubic root of 4444142430 is about 1644.1041404599.

Adding to 4444142430 its reverse (342414444), we get a palindrome (4786556874).

The spelling of 4444142430 in words is "four billion, four hundred forty-four million, one hundred forty-two thousand, four hundred thirty".