32115766240 has 96 divisors (see below), whose sum is σ = 80741707200. Its totient is φ = 12029681664.

The previous prime is 32115766217. The next prime is 32115766261. The reversal of 32115766240 is 4266751123.

It is a self number, because there is not a number n which added to its sum of digits gives 32115766240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511614 + ... + 570946.

It is an arithmetic number, because the mean of its divisors is an integer number (841059450).

Almost surely, 2^32115766240 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 32115766240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40370853600).

32115766240 is an abundant number, since it is smaller than the sum of its proper divisors (48625940960).

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

32115766240 is a wasteful number, since it uses less digits than its factorization.

32115766240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59564 (or 59556 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 32115766240 in words is "thirty-two billion, one hundred fifteen million, seven hundred sixty-six thousand, two hundred forty".