442012430 has 8 divisors (see below), whose sum is σ = 795622392. Its totient is φ = 176804968.

The previous prime is 442012429. The next prime is 442012453. The reversal of 442012430 is 34210244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22100612 + ... + 22100631.

It is an arithmetic number, because the mean of its divisors is an integer number (99452799).

Almost surely, 2^442012430 is an apocalyptic number.

442012430 is a deficient number, since it is larger than the sum of its proper divisors (353609962).

442012430 is a wasteful number, since it uses less digits than its factorization.

442012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44201250.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442012430 is about 21024.0916569539. The cubic root of 442012430 is about 761.7483008477.

Adding to 442012430 its reverse (34210244), we get a palindrome (476222674).

The spelling of 442012430 in words is "four hundred forty-two million, twelve thousand, four hundred thirty".