450561632 has 24 divisors (see below), whose sum is σ = 917632800. Its totient is φ = 217512064.

The previous prime is 450561607. The next prime is 450561641. The reversal of 450561632 is 236165054.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an alternating number because its digits alternate between even and odd.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 241832 + ... + 243687.

It is an arithmetic number, because the mean of its divisors is an integer number (38234700).

Almost surely, 2^450561632 is an apocalyptic number.

It is an amenable number.

450561632 is an abundant number, since it is smaller than the sum of its proper divisors (467071168).

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

450561632 is a wasteful number, since it uses less digits than its factorization.

450561632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485558 (or 485550 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 450561632 is about 21226.4371009362. The cubic root of 450561632 is about 766.6281027441.

The spelling of 450561632 in words is "four hundred fifty million, five hundred sixty-one thousand, six hundred thirty-two".