449453971200 has 864 divisors, whose sum is σ = 1706630768640. Its totient is φ = 103322419200.

The previous prime is 449453971159. The next prime is 449453971201. The reversal of 449453971200 is 2179354944.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 449453971200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449453971201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 224389399 + ... + 224391401.

Almost surely, 2^449453971200 is an apocalyptic number.

449453971200 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 449453971200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853315384320).

449453971200 is an abundant number, since it is smaller than the sum of its proper divisors (1257176797440).

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

449453971200 is a wasteful number, since it uses less digits than its factorization.

449453971200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 449453971200 in words is "four hundred forty-nine billion, four hundred fifty-three million, nine hundred seventy-one thousand, two hundred".