450440252 has 12 divisors (see below), whose sum is σ = 791714280. Its totient is φ = 224236176.

The previous prime is 450440251. The next prime is 450440293. The reversal of 450440252 is 252044054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450440251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244958 + ... + 246789.

It is an arithmetic number, because the mean of its divisors is an integer number (65976190).

Almost surely, 2^450440252 is an apocalyptic number.

It is an amenable number.

450440252 is a deficient number, since it is larger than the sum of its proper divisors (341274028).

450440252 is a wasteful number, since it uses less digits than its factorization.

450440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491980 (or 491978 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 450440252 is about 21223.5777379781. The cubic root of 450440252 is about 766.5592540970.

The spelling of 450440252 in words is "four hundred fifty million, four hundred forty thousand, two hundred fifty-two".