4240538243679 has 16 divisors (see below), whose sum is σ = 5735387411712. Its totient is φ = 2786514611328.

The previous prime is 4240538243653. The next prime is 4240538243723. The reversal of 4240538243679 is 9763428350424.

It is a happy number.

It is not a de Polignac number, because 4240538243679 - 2⁸ = 4240538243423 is a prime.

It is a super-2 number, since 2×4240538243679² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240538243629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19557627 + ... + 19773260.

It is an arithmetic number, because the mean of its divisors is an integer number (358461713232).

Almost surely, 2^{4240538243679} is an apocalyptic number.

4240538243679 is a deficient number, since it is larger than the sum of its proper divisors (1494849168033).

4240538243679 is a wasteful number, since it uses less digits than its factorization.

4240538243679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39331406.

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 4240538243679 in words is "four trillion, two hundred forty billion, five hundred thirty-eight million, two hundred forty-three thousand, six hundred seventy-nine".