447803031541320 has 384 divisors, whose sum is σ = 1791244080138240. Its totient is φ = 94479833272320.

The previous prime is 447803031541273. The next prime is 447803031541373. The reversal of 447803031541320 is 23145130308744.

It is a happy number.

447803031541320 is a `hidden beast` number, since 4 + 4 + 7 + 8 + 0 + 3 + 0 + 315 + 4 + 1 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2861081865 + ... + 2861238375.

It is an arithmetic number, because the mean of its divisors is an integer number (4664698125360).

Almost surely, 2^{447803031541320} is an apocalyptic number.

447803031541320 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 447803031541320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895622040069120).

447803031541320 is an abundant number, since it is smaller than the sum of its proper divisors (1343441048596920).

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

447803031541320 is a wasteful number, since it uses less digits than its factorization.

447803031541320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243885 (or 243878 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 447803031541320 in words is "four hundred forty-seven trillion, eight hundred three billion, thirty-one million, five hundred forty-one thousand, three hundred twenty".