450606256918 has 4 divisors (see below), whose sum is σ = 675909385380. Its totient is φ = 225303128458.

The previous prime is 450606256909. The next prime is 450606256921. The reversal of 450606256918 is 819652606054.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112651564228 + ... + 112651564231.

It is an arithmetic number, because the mean of its divisors is an integer number (168977346345).

Almost surely, 2^450606256918 is an apocalyptic number.

450606256918 is a deficient number, since it is larger than the sum of its proper divisors (225303128462).

450606256918 is a wasteful number, since it uses less digits than its factorization.

450606256918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225303128461.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 450606256918 in words is "four hundred fifty billion, six hundred six million, two hundred fifty-six thousand, nine hundred eighteen".