450840472 has 16 divisors (see below), whose sum is σ = 861276240. Its totient is φ = 221166816.

The previous prime is 450840463. The next prime is 450840487. The reversal of 450840472 is 274048054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 531228 + ... + 532075.

It is an arithmetic number, because the mean of its divisors is an integer number (53829765).

Almost surely, 2^450840472 is an apocalyptic number.

It is an amenable number.

450840472 is a deficient number, since it is larger than the sum of its proper divisors (410435768).

450840472 is a wasteful number, since it uses less digits than its factorization.

450840472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063362 (or 1063358 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 450840472 is about 21233.0043093294. The cubic root of 450840472 is about 766.7862183655.

The spelling of 450840472 in words is "four hundred fifty million, eight hundred forty thousand, four hundred seventy-two".