444002020131 has 8 divisors (see below), whose sum is σ = 592826065920. Its totient is φ = 295589660552.

The previous prime is 444002020129. The next prime is 444002020159. The reversal of 444002020131 is 131020200444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444002020131 - 2¹ = 444002020129 is a prime.

It is a super-2 number, since 2×444002020131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444002020098 and 444002020107.

It is not an unprimeable number, because it can be changed into a prime (444002028131) 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, 102919035 + ... + 102923348.

It is an arithmetic number, because the mean of its divisors is an integer number (74103258240).

Almost surely, 2^444002020131 is an apocalyptic number.

444002020131 is a deficient number, since it is larger than the sum of its proper divisors (148824045789).

444002020131 is a wasteful number, since it uses less digits than its factorization.

444002020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205843105.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 444002020131 its reverse (131020200444), we get a palindrome (575022220575).

The spelling of 444002020131 in words is "four hundred forty-four billion, two million, twenty thousand, one hundred thirty-one".