450066946 has 32 divisors (see below), whose sum is σ = 820085760. Its totient is φ = 180948816.

The previous prime is 450066943. The next prime is 450066997. The reversal of 450066946 is 649660054.

It is a junction number, because it is equal to n+sod(n) for n = 450066899 and 450066908.

It is not an unprimeable number, because it can be changed into a prime (450066943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19185 + ... + 35611.

It is an arithmetic number, because the mean of its divisors is an integer number (25627680).

Almost surely, 2^450066946 is an apocalyptic number.

450066946 is a deficient number, since it is larger than the sum of its proper divisors (370018814).

450066946 is a wasteful number, since it uses less digits than its factorization.

450066946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 450066946 is about 21214.7813092664. The cubic root of 450066946 is about 766.3474315102.

The spelling of 450066946 in words is "four hundred fifty million, sixty-six thousand, nine hundred forty-six".