450011430 has 128 divisors (see below), whose sum is σ = 1316252160. Its totient is φ = 108501120.

The previous prime is 450011351. The next prime is 450011453. The reversal of 450011430 is 34110054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 822417 + ... + 822963.

It is an arithmetic number, because the mean of its divisors is an integer number (10283220).

Almost surely, 2^450011430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450011430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658126080).

450011430 is an abundant number, since it is smaller than the sum of its proper divisors (866240730).

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

450011430 is a wasteful number, since it uses less digits than its factorization.

450011430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 450011430 is about 21213.4728415693. The cubic root of 450011430 is about 766.3159204251.

Adding to 450011430 its reverse (34110054), we get a palindrome (484121484).

The spelling of 450011430 in words is "four hundred fifty million, eleven thousand, four hundred thirty".