450728938066 has 24 divisors (see below), whose sum is σ = 743461028352. Its totient is φ = 204789387000.

The previous prime is 450728938063. The next prime is 450728938069. The reversal of 450728938066 is 660839827054.

It is an interprime number because it is at equal distance from previous prime (450728938063) and next prime (450728938069).

It is a super-2 number, since 2×450728938066² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450728938066.

It is not an unprimeable number, because it can be changed into a prime (450728938063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172831 + ... + 965053.

It is an arithmetic number, because the mean of its divisors is an integer number (30977542848).

Almost surely, 2^450728938066 is an apocalyptic number.

450728938066 is a deficient number, since it is larger than the sum of its proper divisors (292732090286).

450728938066 is a wasteful number, since it uses less digits than its factorization.

450728938066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794598 (or 794587 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 450728938066 in words is "four hundred fifty billion, seven hundred twenty-eight million, nine hundred thirty-eight thousand, sixty-six".