2440424044381 has 2 divisors, whose sum is σ = 2440424044382. Its totient is φ = 2440424044380.

The previous prime is 2440424044351. The next prime is 2440424044417. The reversal of 2440424044381 is 1834404240442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2235350921881 + 205073122500 = 1495109^2 + 452850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440424044381 - 2²³ = 2440415655773 is a prime.

It is a super-2 number, since 2×2440424044381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440424044351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220212022190 + 1220212022191.

It is an arithmetic number, because the mean of its divisors is an integer number (1220212022191).

Almost surely, 2^{2440424044381} is an apocalyptic number.

It is an amenable number.

2440424044381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440424044381 is an equidigital number, since it uses as much as digits as its factorization.

2440424044381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393216, while the sum is 40.

The spelling of 2440424044381 in words is "two trillion, four hundred forty billion, four hundred twenty-four million, forty-four thousand, three hundred eighty-one".