451334632 has 64 divisors (see below), whose sum is σ = 1032376320. Its totient is φ = 180569088.

The previous prime is 451334629. The next prime is 451334647. The reversal of 451334632 is 236433154.

It is a junction number, because it is equal to n+sod(n) for n = 451334594 and 451334603.

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, 119038 + ... + 122770.

It is an arithmetic number, because the mean of its divisors is an integer number (16130880).

Almost surely, 2^451334632 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 451334632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516188160).

451334632 is an abundant number, since it is smaller than the sum of its proper divisors (581041688).

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

451334632 is a wasteful number, since it uses less digits than its factorization.

451334632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890 (or 3886 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 451334632 is about 21244.6377234351. The cubic root of 451334632 is about 767.0662706562.

Adding to 451334632 its reverse (236433154), we get a palindrome (687767786).

The spelling of 451334632 in words is "four hundred fifty-one million, three hundred thirty-four thousand, six hundred thirty-two".