450223636 has 24 divisors (see below), whose sum is σ = 795791360. Its totient is φ = 222862752.

The previous prime is 450223621. The next prime is 450223649. The reversal of 450223636 is 636322054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 450223598 and 450223607.

It is a congruent 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, 432805 + ... + 433843.

Almost surely, 2^450223636 is an apocalyptic number.

It is an amenable number.

450223636 is a deficient number, since it is larger than the sum of its proper divisors (345567724).

450223636 is a wasteful number, since it uses less digits than its factorization.

450223636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 450223636 is about 21218.4739319302. The cubic root of 450223636 is about 766.4363553527.

The spelling of 450223636 in words is "four hundred fifty million, two hundred twenty-three thousand, six hundred thirty-six".