450381446 has 8 divisors (see below), whose sum is σ = 704944944. Its totient is φ = 215399800.

The previous prime is 450381443. The next prime is 450381479. The reversal of 450381446 is 644183054.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450381443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4895405 + ... + 4895496.

It is an arithmetic number, because the mean of its divisors is an integer number (88118118).

Almost surely, 2^450381446 is an apocalyptic number.

450381446 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

450381446 is a deficient number, since it is larger than the sum of its proper divisors (254563498).

450381446 is a wasteful number, since it uses less digits than its factorization.

450381446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790926.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 450381446 is about 21222.1922995717. The cubic root of 450381446 is about 766.5258939601.

The spelling of 450381446 in words is "four hundred fifty million, three hundred eighty-one thousand, four hundred forty-six".