32303132440 has 32 divisors (see below), whose sum is σ = 72863336160. Its totient is φ = 12889024000.

The previous prime is 32303132431. The next prime is 32303132443. The reversal of 32303132440 is 4423130323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32303132443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990916 + ... + 1022995.

It is an arithmetic number, because the mean of its divisors is an integer number (2276979255).

Almost surely, 2^32303132440 is an apocalyptic number.

It is an amenable number.

32303132440 is an abundant number, since it is smaller than the sum of its proper divisors (40560203720).

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

32303132440 is a wasteful number, since it uses less digits than its factorization.

32303132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014323 (or 2014319 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 32303132440 its reverse (4423130323), we get a palindrome (36726262763).

The spelling of 32303132440 in words is "thirty-two billion, three hundred three million, one hundred thirty-two thousand, four hundred forty".