450406494 has 40 divisors (see below), whose sum is σ = 1013554080. Its totient is φ = 149494464.

The previous prime is 450406469. The next prime is 450406507. The reversal of 450406494 is 494604054.

450406494 is a `hidden beast` number, since 4 + 5 + 0 + 4 + 0 + 649 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32902 + ... + 44534.

It is an arithmetic number, because the mean of its divisors is an integer number (25338852).

Almost surely, 2^450406494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450406494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506777040).

450406494 is an abundant number, since it is smaller than the sum of its proper divisors (563147586).

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

450406494 is a wasteful number, since it uses less digits than its factorization.

450406494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886 (or 11877 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 450406494 is about 21222.7824283245. The cubic root of 450406494 is about 766.5401038296.

The spelling of 450406494 in words is "four hundred fifty million, four hundred six thousand, four hundred ninety-four".