240541334420291 has 4 divisors (see below), whose sum is σ = 241391303800152. Its totient is φ = 239691365040432.

The previous prime is 240541334420279. The next prime is 240541334420347. The reversal of 240541334420291 is 192024433145042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240541334420291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240541334410291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424984689506 + ... + 424984690071.

It is an arithmetic number, because the mean of its divisors is an integer number (60347825950038).

Almost surely, 2^{240541334420291} is an apocalyptic number.

240541334420291 is a deficient number, since it is larger than the sum of its proper divisors (849969379861).

240541334420291 is an equidigital number, since it uses as much as digits as its factorization.

240541334420291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849969379860.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 240541334420291 in words is "two hundred forty trillion, five hundred forty-one billion, three hundred thirty-four million, four hundred twenty thousand, two hundred ninety-one".