450782446 has 16 divisors (see below), whose sum is σ = 688223088. Its totient is φ = 221400000.

The previous prime is 450782443. The next prime is 450782447. The reversal of 450782446 is 644287054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 450782399 and 450782408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450782443) 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, 30496 + ... + 42796.

It is an arithmetic number, because the mean of its divisors is an integer number (43013943).

Almost surely, 2^450782446 is an apocalyptic number.

450782446 is a deficient number, since it is larger than the sum of its proper divisors (237440642).

450782446 is a wasteful number, since it uses less digits than its factorization.

450782446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 450782446 is about 21231.6378548618. The cubic root of 450782446 is about 766.7533202202.

It can be divided in two parts, 45078 and 2446, that added together give a square (47524 = 218²).

The spelling of 450782446 in words is "four hundred fifty million, seven hundred eighty-two thousand, four hundred forty-six".