444401204040133 has 4 divisors (see below), whose sum is σ = 446883892331040. Its totient is φ = 441918515749228.

The previous prime is 444401204040097. The next prime is 444401204040137. The reversal of 444401204040133 is 331040402104444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444401204040133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444401204040137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241344145185 + ... + 1241344145542.

It is an arithmetic number, because the mean of its divisors is an integer number (111720973082760).

Almost surely, 2^{444401204040133} is an apocalyptic number.

It is an amenable number.

444401204040133 is a deficient number, since it is larger than the sum of its proper divisors (2482688290907).

444401204040133 is a wasteful number, since it uses less digits than its factorization.

444401204040133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482688290906.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 444401204040133 its reverse (331040402104444), we get a palindrome (775441606144577).

The spelling of 444401204040133 in words is "four hundred forty-four trillion, four hundred one billion, two hundred four million, forty thousand, one hundred thirty-three".