450628864 has 36 divisors (see below), whose sum is σ = 1028001184. Its totient is φ = 193125888.

The previous prime is 450628861. The next prime is 450628873. The reversal of 450628864 is 468826054.

It is a self number, because there is not a number n which added to its sum of digits gives 450628864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450628861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123942 + ... + 127525.

Almost surely, 2^450628864 is an apocalyptic number.

It is an amenable number.

450628864 is an abundant number, since it is smaller than the sum of its proper divisors (577372320).

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

450628864 is an equidigital number, since it uses as much as digits as its factorization.

450628864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251490 (or 251476 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 450628864 is about 21228.0207273311. The cubic root of 450628864 is about 766.6662324719. Note that the first 3 decimals are identical.

The spelling of 450628864 in words is "four hundred fifty million, six hundred twenty-eight thousand, eight hundred sixty-four".