240240431133 has 6 divisors (see below), whose sum is σ = 347013956094. Its totient is φ = 160160287416.

The previous prime is 240240431099. The next prime is 240240431141. The reversal of 240240431133 is 331134042042.

240240431133 is a `hidden beast` number, since 240 + 2 + 404 + 3 + 1 + 13 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 189031909284 + 51208521849 = 434778^2 + 226293^2 .

It is not a de Polignac number, because 240240431133 - 2⁸ = 240240430877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240240431097 and 240240431106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240240431533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13346690610 + ... + 13346690627.

It is an arithmetic number, because the mean of its divisors is an integer number (57835659349).

Almost surely, 2^240240431133 is an apocalyptic number.

It is an amenable number.

240240431133 is a deficient number, since it is larger than the sum of its proper divisors (106773524961).

240240431133 is a wasteful number, since it uses less digits than its factorization.

240240431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26693381243 (or 26693381240 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 240240431133 its reverse (331134042042), we get a palindrome (571374473175).

The spelling of 240240431133 in words is "two hundred forty billion, two hundred forty million, four hundred thirty-one thousand, one hundred thirty-three".