444224402324142 has 32 divisors (see below), whose sum is σ = 969417502977024. Its totient is φ = 134585590641600.

The previous prime is 444224402324137. The next prime is 444224402324159. The reversal of 444224402324142 is 241423204422444.

It is a junction number, because it is equal to n+sod(n) for n = 444224402324094 and 444224402324103.

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, 696293943 + ... + 696931634.

It is an arithmetic number, because the mean of its divisors is an integer number (30294296968032).

Almost surely, 2^{444224402324142} is an apocalyptic number.

444224402324142 is an abundant number, since it is smaller than the sum of its proper divisors (525193100652882).

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

444224402324142 is a wasteful number, since it uses less digits than its factorization.

444224402324142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393230424.

The product of its (nonzero) digits is 1572864, while the sum is 42.

Adding to 444224402324142 its reverse (241423204422444), we get a palindrome (685647606746586).

The spelling of 444224402324142 in words is "four hundred forty-four trillion, two hundred twenty-four billion, four hundred two million, three hundred twenty-four thousand, one hundred forty-two".