240340415015 has 4 divisors (see below), whose sum is σ = 288408498024. Its totient is φ = 192272332008.

The previous prime is 240340414999. The next prime is 240340415087. The reversal of 240340415015 is 510514043042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240340415015 - 2⁴ = 240340414999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24034041497 + ... + 24034041506.

It is an arithmetic number, because the mean of its divisors is an integer number (72102124506).

Almost surely, 2^240340415015 is an apocalyptic number.

240340415015 is a deficient number, since it is larger than the sum of its proper divisors (48068083009).

240340415015 is an equidigital number, since it uses as much as digits as its factorization.

240340415015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48068083008.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 240340415015 its reverse (510514043042), we get a palindrome (750854458057).

The spelling of 240340415015 in words is "two hundred forty billion, three hundred forty million, four hundred fifteen thousand, fifteen".