240196591797 has 4 divisors (see below), whose sum is σ = 320262122400. Its totient is φ = 160131061196.

The previous prime is 240196591781. The next prime is 240196591829. The reversal of 240196591797 is 797195691042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240196591797 - 2⁴ = 240196591781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240196591797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240196591757) 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, 40032765297 + ... + 40032765302.

It is an arithmetic number, because the mean of its divisors is an integer number (80065530600).

Almost surely, 2^240196591797 is an apocalyptic number.

It is an amenable number.

240196591797 is a deficient number, since it is larger than the sum of its proper divisors (80065530603).

240196591797 is an equidigital number, since it uses as much as digits as its factorization.

240196591797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80065530602.

The product of its (nonzero) digits is 8573040, while the sum is 60.

The spelling of 240196591797 in words is "two hundred forty billion, one hundred ninety-six million, five hundred ninety-one thousand, seven hundred ninety-seven".