32400032320 has 28 divisors (see below), whose sum is σ = 77152577724. Its totient is φ = 12960012800.

The previous prime is 32400032303. The next prime is 32400032333. The reversal of 32400032320 is 2323000423.

It can be written as a sum of positive squares in 2 ways, for example, as 5755346496 + 26644685824 = 75864^2 + 163232^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50624731 + ... + 50625370.

Almost surely, 2^32400032320 is an apocalyptic number.

It is an amenable number.

32400032320 is an abundant number, since it is smaller than the sum of its proper divisors (44752545404).

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

32400032320 is a wasteful number, since it uses less digits than its factorization.

32400032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101250118 (or 101250108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 32400032320 its reverse (2323000423), we get a palindrome (34723032743).

The spelling of 32400032320 in words is "thirty-two billion, four hundred million, thirty-two thousand, three hundred twenty".