2240121439 has 2 divisors, whose sum is σ = 2240121440. Its totient is φ = 2240121438.

The previous prime is 2240121431. The next prime is 2240121503. The reversal of 2240121439 is 9341210422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240121439 - 2³ = 2240121431 is a prime.

It is a super-2 number, since 2×2240121439² = 10036288122934861442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240121431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120060719 + 1120060720.

It is an arithmetic number, because the mean of its divisors is an integer number (1120060720).

Almost surely, 2^2240121439 is an apocalyptic number.

2240121439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240121439 is an equidigital number, since it uses as much as digits as its factorization.

2240121439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2240121439 is about 47329.9211810035. The cubic root of 2240121439 is about 1308.4501685899.

The spelling of 2240121439 in words is "two billion, two hundred forty million, one hundred twenty-one thousand, four hundred thirty-nine".