451228764 has 96 divisors (see below), whose sum is σ = 1262499840. Its totient is φ = 122729472.

The previous prime is 451228763. The next prime is 451228781. The reversal of 451228764 is 467822154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451228763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144532 + ... + 147620.

It is an arithmetic number, because the mean of its divisors is an integer number (13151040).

Almost surely, 2^451228764 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 451228764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631249920).

451228764 is an abundant number, since it is smaller than the sum of its proper divisors (811271076).

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

451228764 is a wasteful number, since it uses less digits than its factorization.

451228764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187 (or 3185 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 451228764 is about 21242.1459367927. The cubic root of 451228764 is about 767.0062899408.

The spelling of 451228764 in words is "four hundred fifty-one million, two hundred twenty-eight thousand, seven hundred sixty-four".