240271434340261 has 16 divisors (see below), whose sum is σ = 249089340418048. Its totient is φ = 231522066720000.

The previous prime is 240271434340253. The next prime is 240271434340279. The reversal of 240271434340261 is 162043434172042.

It is a cyclic number.

It is not a de Polignac number, because 240271434340261 - 2³ = 240271434340253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240271434340241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7466610 + ... + 23158003.

It is an arithmetic number, because the mean of its divisors is an integer number (15568083776128).

Almost surely, 2^{240271434340261} is an apocalyptic number.

It is an amenable number.

240271434340261 is a deficient number, since it is larger than the sum of its proper divisors (8817906077787).

240271434340261 is a wasteful number, since it uses less digits than its factorization.

240271434340261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30625732.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 240271434340261 in words is "two hundred forty trillion, two hundred seventy-one billion, four hundred thirty-four million, three hundred forty thousand, two hundred sixty-one".