450445530 has 32 divisors (see below), whose sum is σ = 1099396800. Its totient is φ = 118082432.

The previous prime is 450445517. The next prime is 450445553. The reversal of 450445530 is 35544054.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 125475 + ... + 129014.

It is an arithmetic number, because the mean of its divisors is an integer number (34356150).

Almost surely, 2^450445530 is an apocalyptic number.

450445530 is an abundant number, since it is smaller than the sum of its proper divisors (648951270).

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

450445530 is a wasteful number, since it uses less digits than its factorization.

450445530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254558.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 450445530 is about 21223.7020804571. The cubic root of 450445530 is about 766.5622481189.

Adding to 450445530 its reverse (35544054), we get a palindrome (485989584).

The spelling of 450445530 in words is "four hundred fifty million, four hundred forty-five thousand, five hundred thirty".