450440351 has 4 divisors (see below), whose sum is σ = 460915752. Its totient is φ = 439964952.

The previous prime is 450440329. The next prime is 450440359. The reversal of 450440351 is 153044054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153044054 = 2 ⋅76522027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450440351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450440351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450440359) 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, 5237636 + ... + 5237721.

It is an arithmetic number, because the mean of its divisors is an integer number (115228938).

Almost surely, 2^450440351 is an apocalyptic number.

450440351 is a deficient number, since it is larger than the sum of its proper divisors (10475401).

450440351 is a wasteful number, since it uses less digits than its factorization.

450440351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475400.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 450440351 is about 21223.5800702897. The cubic root of 450440351 is about 766.5593102564.

The spelling of 450440351 in words is "four hundred fifty million, four hundred forty thousand, three hundred fifty-one".