32013321040 has 40 divisors (see below), whose sum is σ = 74805033600. Its totient is φ = 12740973696.

The previous prime is 32013321031. The next prime is 32013321073. The reversal of 32013321040 is 4012331023.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 32013320999 and 32013321017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989524 + ... + 1021363.

It is an arithmetic number, because the mean of its divisors is an integer number (1870125840).

Almost surely, 2^32013321040 is an apocalyptic number.

It is an amenable number.

32013321040 is an abundant number, since it is smaller than the sum of its proper divisors (42791712560).

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

32013321040 is a wasteful number, since it uses less digits than its factorization.

32013321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011099 (or 2011093 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32013321040 its reverse (4012331023), we get a palindrome (36025652063).

The spelling of 32013321040 in words is "thirty-two billion, thirteen million, three hundred twenty-one thousand, forty".