450171925464 has 32 divisors (see below), whose sum is σ = 1127970313920. Its totient is φ = 149718575136.

The previous prime is 450171925459. The next prime is 450171925481. The reversal of 450171925464 is 464529171054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21159982 + ... + 21181245.

It is an arithmetic number, because the mean of its divisors is an integer number (35249072310).

Almost surely, 2^450171925464 is an apocalyptic number.

It is an amenable number.

450171925464 is an abundant number, since it is smaller than the sum of its proper divisors (677798388456).

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

450171925464 is a wasteful number, since it uses less digits than its factorization.

450171925464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42341679 (or 42341675 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 450171925464 in words is "four hundred fifty billion, one hundred seventy-one million, nine hundred twenty-five thousand, four hundred sixty-four".