450343020 has 24 divisors (see below), whose sum is σ = 1260960624. Its totient is φ = 120091456.

The previous prime is 450342953. The next prime is 450343031. The reversal of 450343020 is 20343054.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752799 + ... + 3752918.

It is an arithmetic number, because the mean of its divisors is an integer number (52540026).

Almost surely, 2^450343020 is an apocalyptic number.

It is an amenable number.

450343020 is an abundant number, since it is smaller than the sum of its proper divisors (810617604).

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

450343020 is a wasteful number, since it uses less digits than its factorization.

450343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505729 (or 7505727 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 450343020 is about 21221.2869543767. The cubic root of 450343020 is about 766.5040936529.

Adding to 450343020 its reverse (20343054), we get a palindrome (470686074).

The spelling of 450343020 in words is "four hundred fifty million, three hundred forty-three thousand, twenty".