444102020440031 has 4 divisors (see below), whose sum is σ = 446093509321152. Its totient is φ = 442110531558912.

The previous prime is 444102020439991. The next prime is 444102020440033. The reversal of 444102020440031 is 130044020201444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444102020440031 - 2³⁰ = 444100946698207 is a prime.

It is a super-2 number, since 2×444102020440031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444102020439976 and 444102020440003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444102020440033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995744440226 + ... + 995744440671.

It is an arithmetic number, because the mean of its divisors is an integer number (111523377330288).

Almost surely, 2^{444102020440031} is an apocalyptic number.

444102020440031 is a deficient number, since it is larger than the sum of its proper divisors (1991488881121).

444102020440031 is a wasteful number, since it uses less digits than its factorization.

444102020440031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991488881120.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 444102020440031 its reverse (130044020201444), we get a palindrome (574146040641475).

The spelling of 444102020440031 in words is "four hundred forty-four trillion, one hundred two billion, twenty million, four hundred forty thousand, thirty-one".