442430114144421 has 16 divisors (see below), whose sum is σ = 635286793345344. Its totient is φ = 272263602678144.

The previous prime is 442430114144401. The next prime is 442430114144449. The reversal of 442430114144421 is 124441411034244.

It is a happy number.

It is not a de Polignac number, because 442430114144421 - 2¹³ = 442430114136229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442430114144421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442430114144401) 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, 12574776 + ... + 32295281.

It is an arithmetic number, because the mean of its divisors is an integer number (39705424584084).

Almost surely, 2^{442430114144421} is an apocalyptic number.

It is an amenable number.

442430114144421 is a deficient number, since it is larger than the sum of its proper divisors (192856679200923).

442430114144421 is a wasteful number, since it uses less digits than its factorization.

442430114144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45122900.

The product of its (nonzero) digits is 196608, while the sum is 39.

Adding to 442430114144421 its reverse (124441411034244), we get a palindrome (566871525178665).

The spelling of 442430114144421 in words is "four hundred forty-two trillion, four hundred thirty billion, one hundred fourteen million, one hundred forty-four thousand, four hundred twenty-one".