450758816 has 24 divisors (see below), whose sum is σ = 888328980. Its totient is φ = 225151488.

The previous prime is 450758813. The next prime is 450758843. The reversal of 450758816 is 618857054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 449270416 + 1488400 = 21196^2 + 1220^2 .

It is not an unprimeable number, because it can be changed into a prime (450758813) 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, 27620 + ... + 40796.

Almost surely, 2^450758816 is an apocalyptic number.

It is an amenable number.

450758816 is a deficient number, since it is larger than the sum of its proper divisors (437570164).

450758816 is a wasteful number, since it uses less digits than its factorization.

450758816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14256 (or 14248 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 450758816 is about 21231.0813667133. The cubic root of 450758816 is about 766.7399222587.

The spelling of 450758816 in words is "four hundred fifty million, seven hundred fifty-eight thousand, eight hundred sixteen".