442497452 has 6 divisors (see below), whose sum is σ = 774370548. Its totient is φ = 221248724.

The previous prime is 442497443. The next prime is 442497481. The reversal of 442497452 is 254794244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55312178 + ... + 55312185.

It is an arithmetic number, because the mean of its divisors is an integer number (129061758).

Almost surely, 2^442497452 is an apocalyptic number.

It is an amenable number.

442497452 is a deficient number, since it is larger than the sum of its proper divisors (331873096).

442497452 is a wasteful number, since it uses less digits than its factorization.

442497452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110624367 (or 110624365 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 442497452 is about 21035.6234041209. The cubic root of 442497452 is about 762.0268221465.

The spelling of 442497452 in words is "four hundred forty-two million, four hundred ninety-seven thousand, four hundred fifty-two".