451422444200 has 192 divisors, whose sum is σ = 1326677170560. Its totient is φ = 139006264320.

The previous prime is 451422444167. The next prime is 451422444217. The reversal of 451422444200 is 2444224154.

It is a super-2 number, since 2×451422444200² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338219 + ... + 1008581.

It is an arithmetic number, because the mean of its divisors is an integer number (6909776930).

Almost surely, 2^451422444200 is an apocalyptic number.

451422444200 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 451422444200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663338585280).

451422444200 is an abundant number, since it is smaller than the sum of its proper divisors (875254726360).

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

451422444200 is a wasteful number, since it uses less digits than its factorization.

451422444200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670436 (or 670427 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 451422444200 its reverse (2444224154), we get a palindrome (453866668354).

The spelling of 451422444200 in words is "four hundred fifty-one billion, four hundred twenty-two million, four hundred forty-four thousand, two hundred".