451422645400 has 192 divisors, whose sum is σ = 1111982400000. Its totient is φ = 169957440000.

The previous prime is 451422645383. The next prime is 451422645449. The reversal of 451422645400 is 4546224154.

It is a self number, because there is not a number n which added to its sum of digits gives 451422645400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601095025 + ... + 601095775.

It is an arithmetic number, because the mean of its divisors is an integer number (5791575000).

Almost surely, 2^451422645400 is an apocalyptic number.

451422645400 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 451422645400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555991200000).

451422645400 is an abundant number, since it is smaller than the sum of its proper divisors (660559754600).

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

451422645400 is a wasteful number, since it uses less digits than its factorization.

451422645400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 451422645400 its reverse (4546224154), we get a palindrome (455968869554).

The spelling of 451422645400 in words is "four hundred fifty-one billion, four hundred twenty-two million, six hundred forty-five thousand, four hundred".