450564188020 has 24 divisors (see below), whose sum is σ = 946655383968. Its totient is φ = 180136039200.

The previous prime is 450564188003. The next prime is 450564188021. The reversal of 450564188020 is 20881465054.

It is a super-2 number, since 2×450564188020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450564188021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5561026 + ... + 5641465.

It is an arithmetic number, because the mean of its divisors is an integer number (39443974332).

Almost surely, 2^450564188020 is an apocalyptic number.

It is an amenable number.

450564188020 is an abundant number, since it is smaller than the sum of its proper divisors (496091195948).

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

450564188020 is a wasteful number, since it uses less digits than its factorization.

450564188020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204511 (or 11204509 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 450564188020 in words is "four hundred fifty billion, five hundred sixty-four million, one hundred eighty-eight thousand, twenty".