444222420042 has 16 divisors (see below), whose sum is σ = 888501520512. Its totient is φ = 148064693280.

The previous prime is 444222420041. The next prime is 444222420043. The reversal of 444222420042 is 240024222444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444222420041) and next prime (444222420043).

It is a junction number, because it is equal to n+sod(n) for n = 444222419991 and 444222420009.

It is not an unprimeable number, because it can be changed into a prime (444222420041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259459 + ... + 2448182.

It is an arithmetic number, because the mean of its divisors is an integer number (55531345032).

Almost surely, 2^444222420042 is an apocalyptic number.

444222420042 is an abundant number, since it is smaller than the sum of its proper divisors (444279100470).

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

444222420042 is a wasteful number, since it uses less digits than its factorization.

444222420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723373.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 444222420042 its reverse (240024222444), we get a palindrome (684246642486).

The spelling of 444222420042 in words is "four hundred forty-four billion, two hundred twenty-two million, four hundred twenty thousand, forty-two".