240431203032255 has 64 divisors (see below), whose sum is σ = 445505123082240. Its totient is φ = 122888732428800.

The previous prime is 240431203032253. The next prime is 240431203032271. The reversal of 240431203032255 is 552230302134042.

240431203032255 is a `hidden beast` number, since 2 + 4 + 0 + 4 + 3 + 120 + 303 + 225 + 5 = 666.

It is not a de Polignac number, because 240431203032255 - 2¹ = 240431203032253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240431203032253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 278455866 + ... + 279317975.

It is an arithmetic number, because the mean of its divisors is an integer number (6961017548160).

Almost surely, 2^{240431203032255} is an apocalyptic number.

240431203032255 is a deficient number, since it is larger than the sum of its proper divisors (205073920049985).

240431203032255 is a wasteful number, since it uses less digits than its factorization.

240431203032255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557773989 (or 557773983 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 240431203032255 its reverse (552230302134042), we get a palindrome (792661505166297).

The spelling of 240431203032255 in words is "two hundred forty trillion, four hundred thirty-one billion, two hundred three million, thirty-two thousand, two hundred fifty-five".