450742632 has 16 divisors (see below), whose sum is σ = 1126856640. Its totient is φ = 150247536.

The previous prime is 450742613. The next prime is 450742639. The reversal of 450742632 is 236247054.

It is a junction number, because it is equal to n+sod(n) for n = 450742593 and 450742602.

It is not an unprimeable number, because it can be changed into a prime (450742639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9390448 + ... + 9390495.

It is an arithmetic number, because the mean of its divisors is an integer number (70428540).

Almost surely, 2^450742632 is an apocalyptic number.

It is an amenable number.

450742632 is an abundant number, since it is smaller than the sum of its proper divisors (676114008).

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

450742632 is a wasteful number, since it uses less digits than its factorization.

450742632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780952 (or 18780948 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 450742632 is about 21230.7002239681. The cubic root of 450742632 is about 766.7307458307.

Adding to 450742632 its reverse (236247054), we get a palindrome (686989686).

The spelling of 450742632 in words is "four hundred fifty million, seven hundred forty-two thousand, six hundred thirty-two".