240265833397 has 2 divisors, whose sum is σ = 240265833398. Its totient is φ = 240265833396.

The previous prime is 240265833349. The next prime is 240265833407. The reversal of 240265833397 is 793338562042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224852362596 + 15413470801 = 474186^2 + 124151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240265833397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240265833497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120132916698 + 120132916699.

It is an arithmetic number, because the mean of its divisors is an integer number (120132916699).

Almost surely, 2^240265833397 is an apocalyptic number.

It is an amenable number.

240265833397 is a deficient number, since it is larger than the sum of its proper divisors (1).

240265833397 is an equidigital number, since it uses as much as digits as its factorization.

240265833397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 240265833397 in words is "two hundred forty billion, two hundred sixty-five million, eight hundred thirty-three thousand, three hundred ninety-seven".