442434430 has 16 divisors (see below), whose sum is σ = 798237504. Its totient is φ = 176561440.

The previous prime is 442434427. The next prime is 442434431. The reversal of 442434430 is 34434244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442434431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47017 + ... + 55636.

It is an arithmetic number, because the mean of its divisors is an integer number (49889844).

Almost surely, 2^442434430 is an apocalyptic number.

442434430 is a deficient number, since it is larger than the sum of its proper divisors (355803074).

442434430 is a wasteful number, since it uses less digits than its factorization.

442434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103091.

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 442434430 is about 21034.1253680775. The cubic root of 442434430 is about 761.9906436071.

Adding to 442434430 its reverse (34434244), we get a palindrome (476868674).

The spelling of 442434430 in words is "four hundred forty-two million, four hundred thirty-four thousand, four hundred thirty".