240734410561 has 8 divisors (see below), whose sum is σ = 243188659584. Its totient is φ = 238282412160.

The previous prime is 240734410541. The next prime is 240734410583. The reversal of 240734410561 is 165014437042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240734410561 - 2³¹ = 238586926913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240734410561.

It is not an unprimeable number, because it can be changed into a prime (240734410531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347221 + ... + 775906.

It is an arithmetic number, because the mean of its divisors is an integer number (30398582448).

Almost surely, 2^240734410561 is an apocalyptic number.

It is an amenable number.

240734410561 is a deficient number, since it is larger than the sum of its proper divisors (2454249023).

240734410561 is a wasteful number, since it uses less digits than its factorization.

240734410561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125311.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 240734410561 in words is "two hundred forty billion, seven hundred thirty-four million, four hundred ten thousand, five hundred sixty-one".