450032730 has 64 divisors (see below), whose sum is σ = 1276957440. Its totient is φ = 99316224.

The previous prime is 450032659. The next prime is 450032747. The reversal of 450032730 is 37230054.

It is a self number, because there is not a number n which added to its sum of digits gives 450032730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30859 + ... + 43038.

It is an arithmetic number, because the mean of its divisors is an integer number (19952460).

Almost surely, 2^450032730 is an apocalyptic number.

450032730 is an abundant number, since it is smaller than the sum of its proper divisors (826924710).

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

450032730 is a wasteful number, since it uses less digits than its factorization.

450032730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73943.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 450032730 is about 21213.9748750676. The cubic root of 450032730 is about 766.3280106896.

Adding to 450032730 its reverse (37230054), we get a palindrome (487262784).

The spelling of 450032730 in words is "four hundred fifty million, thirty-two thousand, seven hundred thirty".