451454400 has 252 divisors, whose sum is σ = 1625099112. Its totient is φ = 118855680.

The previous prime is 451454389. The next prime is 451454413. The reversal of 451454400 is 4454154.

It is a super-2 number, since 2×451454400² = 407622150558720000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1540654 + ... + 1540946.

It is an arithmetic number, because the mean of its divisors is an integer number (6448806).

Almost surely, 2^451454400 is an apocalyptic number.

451454400 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 451454400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812549556).

451454400 is an abundant number, since it is smaller than the sum of its proper divisors (1173644712).

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

451454400 is a wasteful number, since it uses less digits than its factorization.

451454400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 451454400 is about 21247.4563183455. The cubic root of 451454400 is about 767.1341152675.

The spelling of 451454400 in words is "four hundred fifty-one million, four hundred fifty-four thousand, four hundred".