450225246638 has 4 divisors (see below), whose sum is σ = 675337869960. Its totient is φ = 225112623318.

The previous prime is 450225246619. The next prime is 450225246641. The reversal of 450225246638 is 836642522054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 450225246592 and 450225246601.

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 as a sum of consecutive naturals, namely, 112556311658 + ... + 112556311661.

It is an arithmetic number, because the mean of its divisors is an integer number (168834467490).

Almost surely, 2^450225246638 is an apocalyptic number.

450225246638 is a deficient number, since it is larger than the sum of its proper divisors (225112623322).

450225246638 is a wasteful number, since it uses less digits than its factorization.

450225246638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225112623321.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 450225246638 in words is "four hundred fifty billion, two hundred twenty-five million, two hundred forty-six thousand, six hundred thirty-eight".