449799321024000 has 1280 divisors, whose sum is σ = 1698358068126720. Its totient is φ = 117324288000000.

The previous prime is 449799321023957. The next prime is 449799321024013. The reversal of 449799321024000 is 420123997944.

449799321024000 is a `hidden beast` number, since 4 + 4 + 9 + 79 + 9 + 321 + 0 + 240 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14485808475 + ... + 14485839525.

It is an arithmetic number, because the mean of its divisors is an integer number (1326842240724).

Almost surely, 2^{449799321024000} is an apocalyptic number.

449799321024000 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 449799321024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849179034063360).

449799321024000 is an abundant number, since it is smaller than the sum of its proper divisors (1248558747102720).

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

449799321024000 is a wasteful number, since it uses less digits than its factorization.

449799321024000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31277 (or 31245 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 449799321024000 in words is "four hundred forty-nine trillion, seven hundred ninety-nine billion, three hundred twenty-one million, twenty-four thousand".