450873638 has 32 divisors (see below), whose sum is σ = 716476320. Its totient is φ = 212509440.

The previous prime is 450873637. The next prime is 450873649. The reversal of 450873638 is 836378054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450873637) 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 15 ways as a sum of consecutive naturals, for example, 524453 + ... + 525311.

It is an arithmetic number, because the mean of its divisors is an integer number (22389885).

Almost surely, 2^450873638 is an apocalyptic number.

450873638 is a deficient number, since it is larger than the sum of its proper divisors (265602682).

450873638 is a wasteful number, since it uses less digits than its factorization.

450873638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 450873638 is about 21233.7852960795. The cubic root of 450873638 is about 766.8050207356.

The spelling of 450873638 in words is "four hundred fifty million, eight hundred seventy-three thousand, six hundred thirty-eight".