450990544 has 20 divisors (see below), whose sum is σ = 874317924. Its totient is φ = 225360128.

The previous prime is 450990541. The next prime is 450990557. The reversal of 450990544 is 445099054.

It can be written as a sum of positive squares in 2 ways, for example, as 217267600 + 233722944 = 14740^2 + 15288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450990497 and 450990506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450990541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22524 + ... + 37540.

Almost surely, 2^450990544 is an apocalyptic number.

It is an amenable number.

450990544 is a deficient number, since it is larger than the sum of its proper divisors (423327380).

450990544 is a wasteful number, since it uses less digits than its factorization.

450990544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16902 (or 16896 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 450990544 is about 21236.5379476034. The cubic root of 450990544 is about 766.8712893849.

The spelling of 450990544 in words is "four hundred fifty million, nine hundred ninety thousand, five hundred forty-four".