450478632 has 32 divisors (see below), whose sum is σ = 1128909600. Its totient is φ = 149797824.

The previous prime is 450478627. The next prime is 450478643. The reversal of 450478632 is 236874054.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12343 + ... + 32454.

It is an arithmetic number, because the mean of its divisors is an integer number (35278425).

Almost surely, 2^450478632 is an apocalyptic number.

It is an amenable number.

450478632 is an abundant number, since it is smaller than the sum of its proper divisors (678430968).

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

450478632 is a wasteful number, since it uses less digits than its factorization.

450478632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45225 (or 45221 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 450478632 is about 21224.4819018039. The cubic root of 450478632 is about 766.5810251743.

The spelling of 450478632 in words is "four hundred fifty million, four hundred seventy-eight thousand, six hundred thirty-two".