450774838 has 16 divisors (see below), whose sum is σ = 720576000. Its totient is φ = 210999976.

The previous prime is 450774773. The next prime is 450774871. The reversal of 450774838 is 838477054.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102088 + ... + 106411.

It is an arithmetic number, because the mean of its divisors is an integer number (45036000).

Almost surely, 2^450774838 is an apocalyptic number.

450774838 is a deficient number, since it is larger than the sum of its proper divisors (269801162).

450774838 is a wasteful number, since it uses less digits than its factorization.

450774838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208571.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 450774838 is about 21231.4586875231. The cubic root of 450774838 is about 766.7490066153.

The spelling of 450774838 in words is "four hundred fifty million, seven hundred seventy-four thousand, eight hundred thirty-eight".