442335344 has 30 divisors (see below), whose sum is σ = 942023040. Its totient is φ = 201060640.

The previous prime is 442335317. The next prime is 442335353. The reversal of 442335344 is 443533244.

It is a self number, because there is not a number n which added to its sum of digits gives 442335344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112304 + ... + 116175.

It is an arithmetic number, because the mean of its divisors is an integer number (31400768).

Almost surely, 2^442335344 is an apocalyptic number.

442335344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442335344 is an abundant number, since it is smaller than the sum of its proper divisors (499687696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442335344 is a wasteful number, since it uses less digits than its factorization.

442335344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228509 (or 228492 counting only the distinct ones).

The product of its digits is 69120, while the sum is 32.

The square root of 442335344 is about 21031.7698732180. The cubic root of 442335344 is about 761.9337551457.

Adding to 442335344 its reverse (443533244), we get a palindrome (885868588).

The spelling of 442335344 in words is "four hundred forty-two million, three hundred thirty-five thousand, three hundred forty-four".