442306744 has 32 divisors (see below), whose sum is σ = 944058240. Its totient is φ = 192306400.

The previous prime is 442306727. The next prime is 442306793. The reversal of 442306744 is 447603244.

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 7 ways as a sum of consecutive naturals, for example, 107242 + ... + 111289.

It is an arithmetic number, because the mean of its divisors is an integer number (29501820).

Almost surely, 2^442306744 is an apocalyptic number.

442306744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442306744 is an abundant number, since it is smaller than the sum of its proper divisors (501751496).

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

442306744 is a wasteful number, since it uses less digits than its factorization.

442306744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218571 (or 218567 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 442306744 is about 21031.0899384697. The cubic root of 442306744 is about 761.9173333853.

Adding to 442306744 its reverse (447603244), we get a palindrome (889909988).

The spelling of 442306744 in words is "four hundred forty-two million, three hundred six thousand, seven hundred forty-four".