451421144000 has 112 divisors (see below), whose sum is σ = 1125351080256. Its totient is φ = 179372160000.

The previous prime is 451421143939. The next prime is 451421144023. The reversal of 451421144000 is 441124154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021154 + ... + 1394846.

Almost surely, 2^451421144000 is an apocalyptic number.

451421144000 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 451421144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562675540128).

451421144000 is an abundant number, since it is smaller than the sum of its proper divisors (673929936256).

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

451421144000 is a wasteful number, since it uses less digits than its factorization.

451421144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373871 (or 373851 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 451421144000 its reverse (441124154), we get a palindrome (451862268154).

The spelling of 451421144000 in words is "four hundred fifty-one billion, four hundred twenty-one million, one hundred forty-four thousand".