32730326944 has 144 divisors (see below), whose sum is σ = 76524497280. Its totient is φ = 13737185280.

The previous prime is 32730326929. The next prime is 32730326983. The reversal of 32730326944 is 44962303723.

It is a super-2 number, since 2×32730326944² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32730326944.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16226224 + ... + 16228240.

It is an arithmetic number, because the mean of its divisors is an integer number (531420120).

Almost surely, 2^32730326944 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 32730326944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38262248640).

32730326944 is an abundant number, since it is smaller than the sum of its proper divisors (43794170336).

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

32730326944 is a wasteful number, since it uses less digits than its factorization.

32730326944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 32730326944 in words is "thirty-two billion, seven hundred thirty million, three hundred twenty-six thousand, nine hundred forty-four".