2240413320421 has 2 divisors, whose sum is σ = 2240413320422. Its totient is φ = 2240413320420.

The previous prime is 2240413320413. The next prime is 2240413320427. The reversal of 2240413320421 is 1240233140422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2038013208100 + 202400112321 = 1427590^2 + 449889^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240413320421 - 2³ = 2240413320413 is a prime.

It is a super-3 number, since 3×2240413320421³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2240413320421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240413320427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120206660210 + 1120206660211.

It is an arithmetic number, because the mean of its divisors is an integer number (1120206660211).

Almost surely, 2^{2240413320421} is an apocalyptic number.

It is an amenable number.

2240413320421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240413320421 is an equidigital number, since it uses as much as digits as its factorization.

2240413320421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2240413320421 its reverse (1240233140422), we get a palindrome (3480646460843).

The spelling of 2240413320421 in words is "two trillion, two hundred forty billion, four hundred thirteen million, three hundred twenty thousand, four hundred twenty-one".