451326560 has 24 divisors (see below), whose sum is σ = 1066259376. Its totient is φ = 180530560.

The previous prime is 451326553. The next prime is 451326563. The reversal of 451326560 is 65623154.

It is a super-2 number, since 2×451326560² = 407391327522867200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451326563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410236 + ... + 1410555.

It is an arithmetic number, because the mean of its divisors is an integer number (44427474).

Almost surely, 2^451326560 is an apocalyptic number.

451326560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451326560 is an abundant number, since it is smaller than the sum of its proper divisors (614932816).

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

451326560 is a wasteful number, since it uses less digits than its factorization.

451326560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820806 (or 2820798 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 451326560 is about 21244.4477452345. The cubic root of 451326560 is about 767.0616977034.

The spelling of 451326560 in words is "four hundred fifty-one million, three hundred twenty-six thousand, five hundred sixty".