444242041332131 has 12 divisors (see below), whose sum is σ = 547169669156808. Its totient is φ = 358380134183232.

The previous prime is 444242041332031. The next prime is 444242041332179. The reversal of 444242041332131 is 131233140242444.

It is not a de Polignac number, because 444242041332131 - 2³⁰ = 444240967590307 is a prime.

It is a super-2 number, since 2×444242041332131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444242041332031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266651884721 + ... + 266651886386.

It is an arithmetic number, because the mean of its divisors is an integer number (45597472429734).

Almost surely, 2^{444242041332131} is an apocalyptic number.

444242041332131 is a deficient number, since it is larger than the sum of its proper divisors (102927627824677).

444242041332131 is a wasteful number, since it uses less digits than its factorization.

444242041332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533303771138 (or 533303771131 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 444242041332131 its reverse (131233140242444), we get a palindrome (575475181574575).

The spelling of 444242041332131 in words is "four hundred forty-four trillion, two hundred forty-two billion, forty-one million, three hundred thirty-two thousand, one hundred thirty-one".