444111230001142 has 32 divisors (see below), whose sum is σ = 765046105447680. Its totient is φ = 191226614309280.

The previous prime is 444111230001121. The next prime is 444111230001233. The reversal of 444111230001142 is 241100032111444.

It is a happy number.

It is a super-2 number, since 2×444111230001142² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444111230001142.

It is a congruent number.

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, 43903458 + ... + 53063509.

It is an arithmetic number, because the mean of its divisors is an integer number (23907690795240).

Almost surely, 2^{444111230001142} is an apocalyptic number.

444111230001142 is a deficient number, since it is larger than the sum of its proper divisors (320934875446538).

444111230001142 is a wasteful number, since it uses less digits than its factorization.

444111230001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96977956.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 444111230001142 its reverse (241100032111444), we get a palindrome (685211262112586).

The spelling of 444111230001142 in words is "four hundred forty-four trillion, one hundred eleven billion, two hundred thirty million, one thousand, one hundred forty-two".