32813323940 has 36 divisors (see below), whose sum is σ = 69024138204. Its totient is φ = 13103232576.

The previous prime is 32813323919. The next prime is 32813323943. The reversal of 32813323940 is 4932331823.

It can be written as a sum of positive squares in 2 ways, for example, as 5540122624 + 27273201316 = 74432^2 + 165146^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 32813323894 and 32813323903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32813323943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27050774 + ... + 27051986.

Almost surely, 2^32813323940 is an apocalyptic number.

It is an amenable number.

32813323940 is an abundant number, since it is smaller than the sum of its proper divisors (36210814264).

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

32813323940 is a wasteful number, since it uses less digits than its factorization.

32813323940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 32813323940 in words is "thirty-two billion, eight hundred thirteen million, three hundred twenty-three thousand, nine hundred forty".