450735820 has 24 divisors (see below), whose sum is σ = 947265984. Its totient is φ = 180157056.

The previous prime is 450735767. The next prime is 450735829. The reversal of 450735820 is 28537054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (450735829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20797 + ... + 36523.

It is an arithmetic number, because the mean of its divisors is an integer number (39469416).

Almost surely, 2^450735820 is an apocalyptic number.

It is an amenable number.

450735820 is an abundant number, since it is smaller than the sum of its proper divisors (496530164).

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

450735820 is a wasteful number, since it uses less digits than its factorization.

450735820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17169 (or 17167 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 450735820 is about 21230.5397953043. The cubic root of 450735820 is about 766.7268833190.

The spelling of 450735820 in words is "four hundred fifty million, seven hundred thirty-five thousand, eight hundred twenty".