2420400244441 has 2 divisors, whose sum is σ = 2420400244442. Its totient is φ = 2420400244440.

The previous prime is 2420400244387. The next prime is 2420400244447. The reversal of 2420400244441 is 1444420040242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2322259018816 + 98141225625 = 1523896^2 + 313275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420400244441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420400244447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210200122220 + 1210200122221.

It is an arithmetic number, because the mean of its divisors is an integer number (1210200122221).

Almost surely, 2^{2420400244441} is an apocalyptic number.

It is an amenable number.

2420400244441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420400244441 is an equidigital number, since it uses as much as digits as its factorization.

2420400244441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 2420400244441 its reverse (1444420040242), we get a palindrome (3864820284683).

The spelling of 2420400244441 in words is "two trillion, four hundred twenty billion, four hundred million, two hundred forty-four thousand, four hundred forty-one".