444204120420131 has 4 divisors (see below), whose sum is σ = 445290194064600. Its totient is φ = 443118046775664.

The previous prime is 444204120420113. The next prime is 444204120420163. The reversal of 444204120420131 is 131024021402444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444204120420131 - 2⁴⁶ = 373835376242467 is a prime.

It is a super-2 number, since 2×444204120420131² (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 (444204120422131) 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, 543036821621 + ... + 543036822438.

It is an arithmetic number, because the mean of its divisors is an integer number (111322548516150).

Almost surely, 2^{444204120420131} is an apocalyptic number.

444204120420131 is a deficient number, since it is larger than the sum of its proper divisors (1086073644469).

444204120420131 is a wasteful number, since it uses less digits than its factorization.

444204120420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086073644468.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 444204120420131 its reverse (131024021402444), we get a palindrome (575228141822575).

The spelling of 444204120420131 in words is "four hundred forty-four trillion, two hundred four billion, one hundred twenty million, four hundred twenty thousand, one hundred thirty-one".