450642684 has 48 divisors (see below), whose sum is σ = 1136777600. Its totient is φ = 138459456.

The previous prime is 450642679. The next prime is 450642701. The reversal of 450642684 is 486246054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18274 + ... + 35145.

Almost surely, 2^450642684 is an apocalyptic number.

It is an amenable number.

450642684 is an abundant number, since it is smaller than the sum of its proper divisors (686134916).

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

450642684 is a wasteful number, since it uses less digits than its factorization.

450642684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53482 (or 53480 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 450642684 is about 21228.3462379904. The cubic root of 450642684 is about 766.6740698298.

The spelling of 450642684 in words is "four hundred fifty million, six hundred forty-two thousand, six hundred eighty-four".