451628832 has 96 divisors (see below), whose sum is σ = 1266209280. Its totient is φ = 140636160.

The previous prime is 451628819. The next prime is 451628839. The reversal of 451628832 is 238826154.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (451628839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83688 + ... + 88920.

It is an arithmetic number, because the mean of its divisors is an integer number (13189680).

Almost surely, 2^451628832 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 451628832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633104640).

451628832 is an abundant number, since it is smaller than the sum of its proper divisors (814580448).

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

451628832 is a wasteful number, since it uses less digits than its factorization.

451628832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306 (or 5298 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 451628832 is about 21251.5606956289. The cubic root of 451628832 is about 767.2329037664.

The spelling of 451628832 in words is "four hundred fifty-one million, six hundred twenty-eight thousand, eight hundred thirty-two".