447793397744 has 80 divisors (see below), whose sum is σ = 1096917935616. Its totient is φ = 172007673600.

The previous prime is 447793397743. The next prime is 447793397759.

It is a happy number.

447793397744 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×447793397744³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447793397743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472167 + ... + 2647110.

Almost surely, 2^447793397744 is an apocalyptic number.

447793397744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

447793397744 is an abundant number, since it is smaller than the sum of its proper divisors (649124537872).

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

447793397744 is a wasteful number, since it uses less digits than its factorization.

447793397744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119374 (or 5119368 counting only the distinct ones).

The product of its digits is 448084224, while the sum is 68.

The spelling of 447793397744 in words is "four hundred forty-seven billion, seven hundred ninety-three million, three hundred ninety-seven thousand, seven hundred forty-four".