444401204040123 has 16 divisors (see below), whose sum is σ = 653664692361600. Its totient is φ = 266307837625280.

The previous prime is 444401204040097. The next prime is 444401204040137. The reversal of 444401204040123 is 321040402104444.

It is not a de Polignac number, because 444401204040123 - 2²⁹ = 444400667169211 is a prime.

It is a super-2 number, since 2×444401204040123² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (444401204040223) 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, 75655632753 + ... + 75655638626.

It is an arithmetic number, because the mean of its divisors is an integer number (40854043272600).

Almost surely, 2^{444401204040123} is an apocalyptic number.

444401204040123 is a deficient number, since it is larger than the sum of its proper divisors (209263488321477).

444401204040123 is a wasteful number, since it uses less digits than its factorization.

444401204040123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151311271482.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 444401204040123 its reverse (321040402104444), we get a palindrome (765441606144567).

The spelling of 444401204040123 in words is "four hundred forty-four trillion, four hundred one billion, two hundred four million, forty thousand, one hundred twenty-three".