450165790 has 16 divisors (see below), whose sum is σ = 811021968. Its totient is φ = 179905536.

The previous prime is 450165767. The next prime is 450165809. The reversal of 450165790 is 97561054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7992 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (50688873).

Almost surely, 2^450165790 is an apocalyptic number.

450165790 is a deficient number, since it is larger than the sum of its proper divisors (360856178).

450165790 is a wasteful number, since it uses less digits than its factorization.

450165790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40203.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 450165790 is about 21217.1107835162. The cubic root of 450165790 is about 766.4035293134.

The spelling of 450165790 in words is "four hundred fifty million, one hundred sixty-five thousand, seven hundred ninety".