450047272068 has 48 divisors (see below), whose sum is σ = 1167100018560. Its totient is φ = 149975798112.

The previous prime is 450047272027. The next prime is 450047272069. The reversal of 450047272068 is 860272740054.

It is a happy number.

450047272068 is a `hidden beast` number, since 4 + 50 + 0 + 472 + 72 + 0 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (450047272069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146271 + ... + 959942.

It is an arithmetic number, because the mean of its divisors is an integer number (24314583720).

Almost surely, 2^450047272068 is an apocalyptic number.

It is an amenable number.

450047272068 is an abundant number, since it is smaller than the sum of its proper divisors (717052746492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450047272068 is a wasteful number, since it uses less digits than its factorization.

450047272068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109993 (or 1109985 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 450047272068 in words is "four hundred fifty billion, forty-seven million, two hundred seventy-two thousand, sixty-eight".