450441749 has 8 divisors (see below), whose sum is σ = 474866688. Its totient is φ = 426635280.

The previous prime is 450441731. The next prime is 450441779. The reversal of 450441749 is 947144054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450441749 - 2²⁰ = 449393173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450441779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153122 + ... + 156035.

It is an arithmetic number, because the mean of its divisors is an integer number (59358336).

Almost surely, 2^450441749 is an apocalyptic number.

It is an amenable number.

450441749 is a deficient number, since it is larger than the sum of its proper divisors (24424939).

450441749 is a wasteful number, since it uses less digits than its factorization.

450441749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309235.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 450441749 is about 21223.6130053297. The cubic root of 450441749 is about 766.5601032943.

The spelling of 450441749 in words is "four hundred fifty million, four hundred forty-one thousand, seven hundred forty-nine".