444461420143 has 16 divisors (see below), whose sum is σ = 504498546720. Its totient is φ = 388650697344.

The previous prime is 444461420107. The next prime is 444461420153. The reversal of 444461420143 is 341024164444.

It is not a de Polignac number, because 444461420143 - 2⁹ = 444461419631 is a prime.

It is a super-2 number, since 2×444461420143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444461420153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11102121 + ... + 11142082.

It is an arithmetic number, because the mean of its divisors is an integer number (31531159170).

Almost surely, 2^444461420143 is an apocalyptic number.

444461420143 is a deficient number, since it is larger than the sum of its proper divisors (60037126577).

444461420143 is a wasteful number, since it uses less digits than its factorization.

444461420143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22244298.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 444461420143 its reverse (341024164444), we get a palindrome (785485584587).

The spelling of 444461420143 in words is "four hundred forty-four billion, four hundred sixty-one million, four hundred twenty thousand, one hundred forty-three".