442125305405 has 16 divisors (see below), whose sum is σ = 610358801664. Its totient is φ = 301163875200.

The previous prime is 442125305399. The next prime is 442125305443. The reversal of 442125305405 is 504503521244.

It is not a de Polignac number, because 442125305405 - 2⁶ = 442125305341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41823032 + ... + 41833601.

It is an arithmetic number, because the mean of its divisors is an integer number (38147425104).

Almost surely, 2^442125305405 is an apocalyptic number.

It is an amenable number.

442125305405 is a deficient number, since it is larger than the sum of its proper divisors (168233496259).

442125305405 is a wasteful number, since it uses less digits than its factorization.

442125305405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83656796.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 442125305405 its reverse (504503521244), we get a palindrome (946628826649).

The spelling of 442125305405 in words is "four hundred forty-two billion, one hundred twenty-five million, three hundred five thousand, four hundred five".