444388406101 has 4 divisors (see below), whose sum is σ = 467777269600. Its totient is φ = 420999542604.

The previous prime is 444388406083. The next prime is 444388406113. The reversal of 444388406101 is 101604883444.

It is a happy number.

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 not a de Polignac number, because 444388406101 - 2³³ = 435798471509 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 (444388406201) 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, 11694431721 + ... + 11694431758.

It is an arithmetic number, because the mean of its divisors is an integer number (116944317400).

Almost surely, 2^444388406101 is an apocalyptic number.

It is an amenable number.

444388406101 is a deficient number, since it is larger than the sum of its proper divisors (23388863499).

444388406101 is a wasteful number, since it uses less digits than its factorization.

444388406101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23388863498.

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 444388406101 in words is "four hundred forty-four billion, three hundred eighty-eight million, four hundred six thousand, one hundred one".