450345868 has 36 divisors (see below), whose sum is σ = 918118152. Its totient is φ = 192722880.

The previous prime is 450345853. The next prime is 450345893. The reversal of 450345868 is 868543054.

It is a super-2 number, since 2×450345868² = 405622801649346848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185583 + ... + 187993.

It is an arithmetic number, because the mean of its divisors is an integer number (25503282).

Almost surely, 2^450345868 is an apocalyptic number.

It is an amenable number.

450345868 is an abundant number, since it is smaller than the sum of its proper divisors (467772284).

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

450345868 is a wasteful number, since it uses less digits than its factorization.

450345868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3373 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 450345868 is about 21221.3540567043. The cubic root of 450345868 is about 766.5057094576.

The spelling of 450345868 in words is "four hundred fifty million, three hundred forty-five thousand, eight hundred sixty-eight".