450926309868 has 96 divisors (see below), whose sum is σ = 1109642186688. Its totient is φ = 142365081600.

The previous prime is 450926309851. The next prime is 450926309879. The reversal of 450926309868 is 868903629054.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2541328 + ... + 2712968.

It is an arithmetic number, because the mean of its divisors is an integer number (11558772778).

Almost surely, 2^450926309868 is an apocalyptic number.

It is an amenable number.

450926309868 is an abundant number, since it is smaller than the sum of its proper divisors (658715876820).

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

450926309868 is a wasteful number, since it uses less digits than its factorization.

450926309868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171843 (or 171841 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 450926309868 in words is "four hundred fifty billion, nine hundred twenty-six million, three hundred nine thousand, eight hundred sixty-eight".