32030040040 has 16 divisors (see below), whose sum is σ = 72067590180. Its totient is φ = 12812016000.

The previous prime is 32030040023. The next prime is 32030040047. The reversal of 32030040040 is 4004003023.

It can be written as a sum of positive squares in 2 ways, for example, as 31911535044 + 118504996 = 178638^2 + 10886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32030039996 and 32030040023.

It is not an unprimeable number, because it can be changed into a prime (32030040047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400375461 + ... + 400375540.

Almost surely, 2^32030040040 is an apocalyptic number.

It is an amenable number.

32030040040 is an abundant number, since it is smaller than the sum of its proper divisors (40037550140).

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

32030040040 is a wasteful number, since it uses less digits than its factorization.

32030040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800751012 (or 800751008 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 32030040040 its reverse (4004003023), we get a palindrome (36034043063).

The spelling of 32030040040 in words is "thirty-two billion, thirty million, forty thousand, forty", and thus it is an eban number.