450194450 has 12 divisors (see below), whose sum is σ = 837361770. Its totient is φ = 180077760.

The previous prime is 450194443. The next prime is 450194461. The reversal of 450194450 is 54491054.

It can be written as a sum of positive squares in 3 ways, for example, as 367220569 + 82973881 = 19163^2 + 9109^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4501895 + ... + 4501994.

Almost surely, 2^450194450 is an apocalyptic number.

450194450 is a deficient number, since it is larger than the sum of its proper divisors (387167320).

450194450 is a wasteful number, since it uses less digits than its factorization.

450194450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9003901 (or 9003896 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 450194450 is about 21217.7861710406. The cubic root of 450194450 is about 766.4197934391.

The spelling of 450194450 in words is "four hundred fifty million, one hundred ninety-four thousand, four hundred fifty".