32447330464 has 48 divisors (see below), whose sum is σ = 65831040576. Its totient is φ = 15733081600.

The previous prime is 32447330441. The next prime is 32447330491. The reversal of 32447330464 is 46403374423.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145059 + ... + 293149.

It is an arithmetic number, because the mean of its divisors is an integer number (1371480012).

Almost surely, 2^32447330464 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 32447330464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32915520288).

32447330464 is an abundant number, since it is smaller than the sum of its proper divisors (33383710112).

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

32447330464 is a wasteful number, since it uses less digits than its factorization.

32447330464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148309 (or 148301 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 40.

The spelling of 32447330464 in words is "thirty-two billion, four hundred forty-seven million, three hundred thirty thousand, four hundred sixty-four".