442120414 has 8 divisors (see below), whose sum is σ = 663271128. Its totient is φ = 221030040.

The previous prime is 442120403. The next prime is 442120417. The reversal of 442120414 is 414021244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442120417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16269 + ... + 33895.

It is an arithmetic number, because the mean of its divisors is an integer number (82908891).

Almost surely, 2^442120414 is an apocalyptic number.

442120414 is a deficient number, since it is larger than the sum of its proper divisors (221150714).

442120414 is a wasteful number, since it uses less digits than its factorization.

442120414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30170.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 442120414 is about 21026.6596015630. The cubic root of 442120414 is about 761.8103277089.

Adding to 442120414 its reverse (414021244), we get a palindrome (856141658).

The spelling of 442120414 in words is "four hundred forty-two million, one hundred twenty thousand, four hundred fourteen".