451353440015500 has 192 divisors, whose sum is σ = 1079567528772096. Its totient is φ = 163488235680000.

The previous prime is 451353440015483. The next prime is 451353440015509. The reversal of 451353440015500 is 5510044353154.

It is not an unprimeable number, because it can be changed into a prime (451353440015509) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5440377019 + ... + 5440459981.

It is an arithmetic number, because the mean of its divisors is an integer number (5622747545688).

Almost surely, 2^{451353440015500} 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 451353440015500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539783764386048).

451353440015500 is an abundant number, since it is smaller than the sum of its proper divisors (628214088756596).

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

451353440015500 is a wasteful number, since it uses less digits than its factorization.

451353440015500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86841 (or 86829 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 451353440015500 its reverse (5510044353154), we get a palindrome (456863484368654).

The spelling of 451353440015500 in words is "four hundred fifty-one trillion, three hundred fifty-three billion, four hundred forty million, fifteen thousand, five hundred".