40531541332 has 12 divisors (see below), whose sum is σ = 71140675060. Its totient is φ = 20205634176.

The previous prime is 40531541299. The next prime is 40531541333. The reversal of 40531541332 is 23314513504.

It can be written as a sum of positive squares in 2 ways, for example, as 11007367056 + 29524174276 = 104916^2 + 171826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40531541294 and 40531541303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40531541333) 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, 15032607 + ... + 15035302.

Almost surely, 2^40531541332 is an apocalyptic number.

It is an amenable number.

40531541332 is a deficient number, since it is larger than the sum of its proper divisors (30609133728).

40531541332 is a wasteful number, since it uses less digits than its factorization.

40531541332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30068250 (or 30068248 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 40531541332 in words is "forty billion, five hundred thirty-one million, five hundred forty-one thousand, three hundred thirty-two".