450869688 has 24 divisors (see below), whose sum is σ = 1221105600. Its totient is φ = 150289872.

The previous prime is 450869687. The next prime is 450869689. The reversal of 450869688 is 886968054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (450869687) and next prime (450869689).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450869687) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3130968 + ... + 3131111.

It is an arithmetic number, because the mean of its divisors is an integer number (50879400).

Almost surely, 2^450869688 is an apocalyptic number.

It is an amenable number.

450869688 is an abundant number, since it is smaller than the sum of its proper divisors (770235912).

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

450869688 is a wasteful number, since it uses less digits than its factorization.

450869688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262091 (or 6262084 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 450869688 is about 21233.6922837268. The cubic root of 450869688 is about 766.8027814617.

The spelling of 450869688 in words is "four hundred fifty million, eight hundred sixty-nine thousand, six hundred eighty-eight".