442104411 has 24 divisors (see below), whose sum is σ = 689957184. Its totient is φ = 251067600.

The previous prime is 442104409. The next prime is 442104427. The reversal of 442104411 is 114401244.

It is not a de Polignac number, because 442104411 - 2¹ = 442104409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (442104401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14736 + ... + 33186.

It is an arithmetic number, because the mean of its divisors is an integer number (28748216).

Almost surely, 2^442104411 is an apocalyptic number.

442104411 is a deficient number, since it is larger than the sum of its proper divisors (247852773).

442104411 is a wasteful number, since it uses less digits than its factorization.

442104411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18631 (or 18624 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 442104411 is about 21026.2790574081. The cubic root of 442104411 is about 761.8011360970.

Adding to 442104411 its reverse (114401244), we get a palindrome (556505655).

The spelling of 442104411 in words is "four hundred forty-two million, one hundred four thousand, four hundred eleven".