450587442 has 32 divisors (see below), whose sum is σ = 945406080. Its totient is φ = 142970240.

The previous prime is 450587441. The next prime is 450587453. The reversal of 450587442 is 244785054.

It is a self number, because there is not a number n which added to its sum of digits gives 450587442.

It is not an unprimeable number, because it can be changed into a prime (450587441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5883 + ... + 30590.

It is an arithmetic number, because the mean of its divisors is an integer number (29543940).

Almost surely, 2^450587442 is an apocalyptic number.

450587442 is an abundant number, since it is smaller than the sum of its proper divisors (494818638).

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

450587442 is a wasteful number, since it uses less digits than its factorization.

450587442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36578.

The product of its (nonzero) digits is 179200, while the sum is 39.

The square root of 450587442 is about 21227.0450604883. The cubic root of 450587442 is about 766.6427409883.

The spelling of 450587442 in words is "four hundred fifty million, five hundred eighty-seven thousand, four hundred forty-two".