442401334 has 8 divisors (see below), whose sum is σ = 663754320. Its totient is φ = 221149896.

The previous prime is 442401307. The next prime is 442401347. The reversal of 442401334 is 433104244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442401299 and 442401308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13354 + ... + 32605.

It is an arithmetic number, because the mean of its divisors is an integer number (82969290).

Almost surely, 2^442401334 is an apocalyptic number.

442401334 is a deficient number, since it is larger than the sum of its proper divisors (221352986).

442401334 is a wasteful number, since it uses less digits than its factorization.

442401334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50774.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 442401334 is about 21033.3386318007. The cubic root of 442401334 is about 761.9716430732.

Adding to 442401334 its reverse (433104244), we get a palindrome (875505578).

The spelling of 442401334 in words is "four hundred forty-two million, four hundred one thousand, three hundred thirty-four".