40520000133 has 6 divisors (see below), whose sum is σ = 58528889094. Its totient is φ = 27013333416.

The previous prime is 40520000099. The next prime is 40520000179. The reversal of 40520000133 is 33100002504.

It can be written as a sum of positive squares in only one way, i.e., 40474599489 + 45400644 = 201183^2 + 6738^2 .

It is not a de Polignac number, because 40520000133 - 2¹⁰ = 40519999109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40520000033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2251111110 + ... + 2251111127.

It is an arithmetic number, because the mean of its divisors is an integer number (9754814849).

Almost surely, 2^40520000133 is an apocalyptic number.

It is an amenable number.

40520000133 is a deficient number, since it is larger than the sum of its proper divisors (18008888961).

40520000133 is a wasteful number, since it uses less digits than its factorization.

40520000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502222243 (or 4502222240 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 40520000133 its reverse (33100002504), we get a palindrome (73620002637).

The spelling of 40520000133 in words is "forty billion, five hundred twenty million, one hundred thirty-three", and thus it is an aban number.