447126973020 has 384 divisors, whose sum is σ = 1802188953600. Its totient is φ = 89373487104.

The previous prime is 447126973009. The next prime is 447126973043. The reversal of 447126973020 is 20379621744.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 694212 + ... + 1173108.

It is an arithmetic number, because the mean of its divisors is an integer number (4693200400).

Almost surely, 2^447126973020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447126973020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901094476800).

447126973020 is an abundant number, since it is smaller than the sum of its proper divisors (1355061980580).

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

447126973020 is a wasteful number, since it uses less digits than its factorization.

447126973020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478954 (or 478946 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 447126973020 in words is "four hundred forty-seven billion, one hundred twenty-six million, nine hundred seventy-three thousand, twenty".