444228427842 has 16 divisors (see below), whose sum is σ = 888770057472. Its totient is φ = 148023942320.

The previous prime is 444228427807. The next prime is 444228427843. The reversal of 444228427842 is 248724822444.

It is a super-2 number, since 2×444228427842² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444228427843) 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, 13031634 + ... + 13065677.

It is an arithmetic number, because the mean of its divisors is an integer number (55548128592).

Almost surely, 2^444228427842 is an apocalyptic number.

444228427842 is an abundant number, since it is smaller than the sum of its proper divisors (444541629630).

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

444228427842 is a wasteful number, since it uses less digits than its factorization.

444228427842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26100153.

The product of its digits is 7340032, while the sum is 51.

The spelling of 444228427842 in words is "four hundred forty-four billion, two hundred twenty-eight million, four hundred twenty-seven thousand, eight hundred forty-two".