240433341024557 has 2 divisors, whose sum is σ = 240433341024558. Its totient is φ = 240433341024556.

The previous prime is 240433341024517. The next prime is 240433341024589. The reversal of 240433341024557 is 755420143334042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216458862676681 + 23974478347876 = 14712541^2 + 4896374^2 .

It is a cyclic number.

It is not a de Polignac number, because 240433341024557 - 2⁴⁴ = 222841154980141 is a prime.

It is a super-2 number, since 2×240433341024557² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240433341024517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120216670512278 + 120216670512279.

It is an arithmetic number, because the mean of its divisors is an integer number (120216670512279).

Almost surely, 2^{240433341024557} is an apocalyptic number.

It is an amenable number.

240433341024557 is a deficient number, since it is larger than the sum of its proper divisors (1).

240433341024557 is an equidigital number, since it uses as much as digits as its factorization.

240433341024557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 47.

Adding to 240433341024557 its reverse (755420143334042), we get a palindrome (995853484358599).

The spelling of 240433341024557 in words is "two hundred forty trillion, four hundred thirty-three billion, three hundred forty-one million, twenty-four thousand, five hundred fifty-seven".