447455232000 has 1632 divisors, whose sum is σ = 2008720746240. Its totient is φ = 96259276800.

The previous prime is 447455231999. The next prime is 447455232023. The reversal of 447455232000 is 232554744.

447455232000 is a `hidden beast` number, since 4 + 4 + 74 + 552 + 32 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1632).

It is a super-3 number, since 3×447455232000³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26320895992 + ... + 26320896008.

Almost surely, 2^447455232000 is an apocalyptic number.

447455232000 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 447455232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004360373120).

447455232000 is an abundant number, since it is smaller than the sum of its proper divisors (1561265514240).

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

447455232000 is an frugal number, since it uses more digits than its factorization.

447455232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

Adding to 447455232000 its reverse (232554744), we get a palindrome (447687786744).

The spelling of 447455232000 in words is "four hundred forty-seven billion, four hundred fifty-five million, two hundred thirty-two thousand".