442940435 has 16 divisors (see below), whose sum is σ = 617760000. Its totient is φ = 298581216.

The previous prime is 442940413. The next prime is 442940441. The reversal of 442940435 is 534049244.

It is a cyclic number.

It is not a de Polignac number, because 442940435 - 2¹⁶ = 442874899 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 442940395 and 442940404.

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, 105185 + ... + 109314.

It is an arithmetic number, because the mean of its divisors is an integer number (38610000).

Almost surely, 2^442940435 is an apocalyptic number.

442940435 is a deficient number, since it is larger than the sum of its proper divisors (174819565).

442940435 is a wasteful number, since it uses less digits than its factorization.

442940435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214570.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 442940435 is about 21046.1501230035. The cubic root of 442940435 is about 762.2810250003.

Adding to 442940435 its reverse (534049244), we get a palindrome (976989679).

The spelling of 442940435 in words is "four hundred forty-two million, nine hundred forty thousand, four hundred thirty-five".