451854255552 has 224 divisors, whose sum is σ = 1376506060800. Its totient is φ = 128142508032.

The previous prime is 451854255551. The next prime is 451854255563. The reversal of 451854255552 is 255552458154.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 451854255495 and 451854255504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451854255551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108642849 + ... + 108647007.

Almost surely, 2^451854255552 is an apocalyptic number.

451854255552 is a gapful number since it is divisible by the number (42) 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 451854255552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688253030400).

451854255552 is an abundant number, since it is smaller than the sum of its proper divisors (924651805248).

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

451854255552 is a wasteful number, since it uses less digits than its factorization.

451854255552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763 (or 4753 counting only the distinct ones).

The product of its digits is 8000000, while the sum is 51.

The spelling of 451854255552 in words is "four hundred fifty-one billion, eight hundred fifty-four million, two hundred fifty-five thousand, five hundred fifty-two".