451163560 has 64 divisors (see below), whose sum is σ = 1052092800. Its totient is φ = 174011136.

The previous prime is 451163543. The next prime is 451163591. The reversal of 451163560 is 65361154.

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, 123277 + ... + 126883.

It is an arithmetic number, because the mean of its divisors is an integer number (16438950).

Almost surely, 2^451163560 is an apocalyptic number.

451163560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451163560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526046400).

451163560 is an abundant number, since it is smaller than the sum of its proper divisors (600929240).

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

451163560 is a wasteful number, since it uses less digits than its factorization.

451163560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 451163560 is about 21240.6111023200. The cubic root of 451163560 is about 766.9693432069.

The spelling of 451163560 in words is "four hundred fifty-one million, one hundred sixty-three thousand, five hundred sixty".