240540344135245 has 24 divisors (see below), whose sum is σ = 366299655785568. Its totient is φ = 149947227511200.

The previous prime is 240540344135207. The next prime is 240540344135339. The reversal of 240540344135245 is 542531443045042.

It is not a de Polignac number, because 240540344135245 - 2³³ = 240531754200653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240540344135195 and 240540344135204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44627148351 + ... + 44627153740.

It is an arithmetic number, because the mean of its divisors is an integer number (15262485657732).

Almost surely, 2^{240540344135245} is an apocalyptic number.

It is an amenable number.

240540344135245 is a deficient number, since it is larger than the sum of its proper divisors (125759311650323).

240540344135245 is a wasteful number, since it uses less digits than its factorization.

240540344135245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89254302121 (or 89254302114 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 46.

The spelling of 240540344135245 in words is "two hundred forty trillion, five hundred forty billion, three hundred forty-four million, one hundred thirty-five thousand, two hundred forty-five".