450240089 has 8 divisors (see below), whose sum is σ = 489582912. Its totient is φ = 411570000.

The previous prime is 450240083. The next prime is 450240137. The reversal of 450240089 is 980042054.

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 450240089 - 2⁸ = 450239833 is a prime.

It is a super-2 number, since 2×450240089² = 405432275485455842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450240083) 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, 166787 + ... + 169464.

It is an arithmetic number, because the mean of its divisors is an integer number (61197864).

Almost surely, 2^450240089 is an apocalyptic number.

It is an amenable number.

450240089 is a deficient number, since it is larger than the sum of its proper divisors (39342823).

450240089 is a wasteful number, since it uses less digits than its factorization.

450240089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336367.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 450240089 is about 21218.8616329906. The cubic root of 450240089 is about 766.4456914712.

The spelling of 450240089 in words is "four hundred fifty million, two hundred forty thousand, eighty-nine".