450440264 has 8 divisors (see below), whose sum is σ = 844575510. Its totient is φ = 225220128.

The previous prime is 450440251. The next prime is 450440293. The reversal of 450440264 is 462044054.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 394340164 + 56100100 = 19858^2 + 7490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 28152509 + ... + 28152524.

Almost surely, 2^450440264 is an apocalyptic number.

It is an amenable number.

450440264 is a deficient number, since it is larger than the sum of its proper divisors (394135246).

450440264 is a wasteful number, since it uses less digits than its factorization.

450440264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56305039 (or 56305035 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 450440264 is about 21223.5780206826. The cubic root of 450440264 is about 766.5592609042.

The spelling of 450440264 in words is "four hundred fifty million, four hundred forty thousand, two hundred sixty-four".