450240447 has 8 divisors (see below), whose sum is σ = 600436656. Its totient is φ = 300102272.

The previous prime is 450240431. The next prime is 450240449. The reversal of 450240447 is 744042054.

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 450240447 - 2⁴ = 450240431 is a prime.

It is a super-2 number, since 2×450240447² = 405432920229519618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450240449) 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, 9073 + ... + 31349.

It is an arithmetic number, because the mean of its divisors is an integer number (75054582).

Almost surely, 2^450240447 is an apocalyptic number.

450240447 is a deficient number, since it is larger than the sum of its proper divisors (150196209).

450240447 is a wasteful number, since it uses less digits than its factorization.

450240447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29017.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 450240447 is about 21218.8700688797. The cubic root of 450240447 is about 766.4458946129.

The spelling of 450240447 in words is "four hundred fifty million, two hundred forty thousand, four hundred forty-seven".