451326326000000 has 224 divisors, whose sum is σ = 1226066181933240. Its totient is φ = 164118656000000.

The previous prime is 451326325999999. The next prime is 451326326000051. The reversal of 451326326000000 is 623623154.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11742584 + ... + 32257416.

Almost surely, 2^{451326326000000} is an apocalyptic number.

451326326000000 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 451326326000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613033090966620).

451326326000000 is an abundant number, since it is smaller than the sum of its proper divisors (774739855933240).

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

451326326000000 is an frugal number, since it uses more digits than its factorization.

451326326000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20514888 (or 20514851 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 451326326000000 its reverse (623623154), we get a palindrome (451326949623154).

The spelling of 451326326000000 in words is "four hundred fifty-one trillion, three hundred twenty-six billion, three hundred twenty-six million", and thus it is an aban number.