3240440245015 has 16 divisors (see below), whose sum is σ = 4074572160000. Its totient is φ = 2469266142112.

The previous prime is 3240440244967. The next prime is 3240440245051. The reversal of 3240440245015 is 5105420440423.

It is a cyclic number.

It is not a de Polignac number, because 3240440245015 - 2¹³ = 3240440236823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58921765 + ... + 58976734.

It is an arithmetic number, because the mean of its divisors is an integer number (254660760000).

Almost surely, 2^{3240440245015} is an apocalyptic number.

3240440245015 is a deficient number, since it is larger than the sum of its proper divisors (834131914985).

3240440245015 is a wasteful number, since it uses less digits than its factorization.

3240440245015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117898766.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 3240440245015 its reverse (5105420440423), we get a palindrome (8345860685438).

The spelling of 3240440245015 in words is "three trillion, two hundred forty billion, four hundred forty million, two hundred forty-five thousand, fifteen".