451441332 has 72 divisors (see below), whose sum is σ = 1211071680. Its totient is φ = 141482880.

The previous prime is 451441261. The next prime is 451441343. The reversal of 451441332 is 233144154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 451441296 and 451441305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44232 + ... + 53472.

It is an arithmetic number, because the mean of its divisors is an integer number (16820440).

Almost surely, 2^451441332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451441332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605535840).

451441332 is an abundant number, since it is smaller than the sum of its proper divisors (759630348).

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

451441332 is a wasteful number, since it uses less digits than its factorization.

451441332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333 (or 9328 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 451441332 is about 21247.1487969563. The cubic root of 451441332 is about 767.1267132608.

Adding to 451441332 its reverse (233144154), we get a palindrome (684585486).

The spelling of 451441332 in words is "four hundred fifty-one million, four hundred forty-one thousand, three hundred thirty-two".