4430020142444 has 48 divisors (see below), whose sum is σ = 8358203380800. Its totient is φ = 2042343300096.

The previous prime is 4430020142437. The next prime is 4430020142479. The reversal of 4430020142444 is 4442410200344.

It is a self number, because there is not a number n which added to its sum of digits gives 4430020142444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501185777 + ... + 501194615.

It is an arithmetic number, because the mean of its divisors is an integer number (174129237100).

Almost surely, 2^{4430020142444} is an apocalyptic number.

It is an amenable number.

4430020142444 is a deficient number, since it is larger than the sum of its proper divisors (3928183238356).

4430020142444 is a wasteful number, since it uses less digits than its factorization.

4430020142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18522 (or 18520 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4430020142444 its reverse (4442410200344), we get a palindrome (8872430342788).

The spelling of 4430020142444 in words is "four trillion, four hundred thirty billion, twenty million, one hundred forty-two thousand, four hundred forty-four".