32478044632 has 96 divisors (see below), whose sum is σ = 67640459040. Its totient is φ = 14608281600.

The previous prime is 32478044597. The next prime is 32478044639. The reversal of 32478044632 is 23644087423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32478044639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49134382 + ... + 49135042.

It is an arithmetic number, because the mean of its divisors is an integer number (704588115).

Almost surely, 2^32478044632 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 32478044632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33820229520).

32478044632 is an abundant number, since it is smaller than the sum of its proper divisors (35162414408).

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

32478044632 is a wasteful number, since it uses less digits than its factorization.

32478044632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 32478044632 in words is "thirty-two billion, four hundred seventy-eight million, forty-four thousand, six hundred thirty-two".