447905007936 has 280 divisors, whose sum is σ = 1429676835840. Its totient is φ = 138135932928.

The previous prime is 447905007929. The next prime is 447905007937. The reversal of 447905007936 is 639700509744.

It is a happy number.

447905007936 is a `hidden beast` number, since 4 + 47 + 9 + 0 + 500 + 7 + 93 + 6 = 666.

It is a super-2 number, since 2×447905007936² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447905007937) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5156481 + ... + 5242623.

Almost surely, 2^447905007936 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 447905007936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714838417920).

447905007936 is an abundant number, since it is smaller than the sum of its proper divisors (981771827904).

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

447905007936 is a wasteful number, since it uses less digits than its factorization.

447905007936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86243 (or 86224 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 447905007936 in words is "four hundred forty-seven billion, nine hundred five million, seven thousand, nine hundred thirty-six".