451211430 has 32 divisors (see below), whose sum is σ = 1139904000. Its totient is φ = 113990112.

The previous prime is 451211429. The next prime is 451211459. The reversal of 451211430 is 34112154.

It is a junction number, because it is equal to n+sod(n) for n = 451211397 and 451211406.

It is a congruent number.

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, 395230 + ... + 396369.

It is an arithmetic number, because the mean of its divisors is an integer number (35622000).

Almost surely, 2^451211430 is an apocalyptic number.

451211430 is an abundant number, since it is smaller than the sum of its proper divisors (688692570).

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

451211430 is a wasteful number, since it uses less digits than its factorization.

451211430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791628.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 451211430 is about 21241.7379232491. The cubic root of 451211430 is about 766.9964682728.

Adding to 451211430 its reverse (34112154), we get a palindrome (485323584).

The spelling of 451211430 in words is "four hundred fifty-one million, two hundred eleven thousand, four hundred thirty".