451764488 has 64 divisors (see below), whose sum is σ = 1003269120. Its totient is φ = 186624000.

The previous prime is 451764437. The next prime is 451764491. The reversal of 451764488 is 884467154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751388 + ... + 751988.

It is an arithmetic number, because the mean of its divisors is an integer number (15676080).

Almost surely, 2^451764488 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 451764488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501634560).

451764488 is an abundant number, since it is smaller than the sum of its proper divisors (551504632).

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

451764488 is a wasteful number, since it uses less digits than its factorization.

451764488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1074 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The square root of 451764488 is about 21254.7521274655. The cubic root of 451764488 is about 767.3097141325.

The spelling of 451764488 in words is "four hundred fifty-one million, seven hundred sixty-four thousand, four hundred eighty-eight".