450400241 has 4 divisors (see below), whose sum is σ = 453687972. Its totient is φ = 447112512.

The previous prime is 450400231. The next prime is 450400289. The reversal of 450400241 is 142004054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142004054 = 2 ⋅71002027.

It can be written as a sum of positive squares in 2 ways, for example, as 302899216 + 147501025 = 17404^2 + 12145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450400241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450400231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643660 + ... + 1643933.

It is an arithmetic number, because the mean of its divisors is an integer number (113421993).

Almost surely, 2^450400241 is an apocalyptic number.

It is an amenable number.

450400241 is a deficient number, since it is larger than the sum of its proper divisors (3287731).

450400241 is a wasteful number, since it uses less digits than its factorization.

450400241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287730.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 450400241 is about 21222.6351097125. The cubic root of 450400241 is about 766.5365565173.

Adding to 450400241 its reverse (142004054), we get a palindrome (592404295).

The spelling of 450400241 in words is "four hundred fifty million, four hundred thousand, two hundred forty-one".