32749484840 has 64 divisors (see below), whose sum is σ = 74816548560. Its totient is φ = 12899450880.

The previous prime is 32749484819. The next prime is 32749484851. The reversal of 32749484840 is 4848494723.

It can be written as a sum of positive squares in 8 ways, for example, as 10946599876 + 21802884964 = 104626^2 + 147658^2 .

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, 1862972 + ... + 1880468.

Almost surely, 2^32749484840 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 32749484840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37408274280).

32749484840 is an abundant number, since it is smaller than the sum of its proper divisors (42067063720).

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

32749484840 is a wasteful number, since it uses less digits than its factorization.

32749484840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18222 (or 18218 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 32749484840 in words is "thirty-two billion, seven hundred forty-nine million, four hundred eighty-four thousand, eight hundred forty".