451016816 has 40 divisors (see below), whose sum is σ = 906139920. Its totient is φ = 217211904.

The previous prime is 451016801. The next prime is 451016833. The reversal of 451016816 is 618610154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252920 + ... + 254696.

It is an arithmetic number, because the mean of its divisors is an integer number (22653498).

Almost surely, 2^451016816 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 451016816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453069960).

451016816 is an abundant number, since it is smaller than the sum of its proper divisors (455123104).

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

451016816 is a wasteful number, since it uses less digits than its factorization.

451016816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 451016816 is about 21237.1564951620. The cubic root of 451016816 is about 766.8861802006.

The spelling of 451016816 in words is "four hundred fifty-one million, sixteen thousand, eight hundred sixteen".