450638632 has 64 divisors (see below), whose sum is σ = 910725120. Its totient is φ = 208536768.

The previous prime is 450638611. The next prime is 450638647. The reversal of 450638632 is 236836054.

It is a junction number, because it is equal to n+sod(n) for n = 450638591 and 450638600.

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, 925093 + ... + 925579.

It is an arithmetic number, because the mean of its divisors is an integer number (14230080).

Almost surely, 2^450638632 is an apocalyptic number.

It is an amenable number.

450638632 is an abundant number, since it is smaller than the sum of its proper divisors (460086488).

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

450638632 is a wasteful number, since it uses less digits than its factorization.

450638632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 450638632 is about 21228.2507993476. The cubic root of 450638632 is about 766.6717719467.

The spelling of 450638632 in words is "four hundred fifty million, six hundred thirty-eight thousand, six hundred thirty-two".