442104144 has 40 divisors (see below), whose sum is σ = 1178948352. Its totient is φ = 142613760.

The previous prime is 442104097. The next prime is 442104151. The reversal of 442104144 is 441401244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147069 + ... + 150044.

Almost surely, 2^442104144 is an apocalyptic number.

It is an amenable number.

442104144 is an abundant number, since it is smaller than the sum of its proper divisors (736844208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442104144 is a wasteful number, since it uses less digits than its factorization.

442104144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297155 (or 297149 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 442104144 is about 21026.2727082096. The cubic root of 442104144 is about 761.8009827389.

Adding to 442104144 its reverse (441401244), we get a palindrome (883505388).

The spelling of 442104144 in words is "four hundred forty-two million, one hundred four thousand, one hundred forty-four".