32439464064 has 256 divisors, whose sum is σ = 112379193600. Its totient is φ = 9017671680.

The previous prime is 32439464051. The next prime is 32439464087. The reversal of 32439464064 is 46046493423.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 876984 + ... + 913224.

It is an arithmetic number, because the mean of its divisors is an integer number (438981225).

Almost surely, 2^32439464064 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 32439464064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56189596800).

32439464064 is an abundant number, since it is smaller than the sum of its proper divisors (79939729536).

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

32439464064 is a wasteful number, since it uses less digits than its factorization.

32439464064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36308 (or 36290 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 32439464064 in words is "thirty-two billion, four hundred thirty-nine million, four hundred sixty-four thousand, sixty-four".