4240428791 has 2 divisors, whose sum is σ = 4240428792. Its totient is φ = 4240428790.

The previous prime is 4240428769. The next prime is 4240428887. The reversal of 4240428791 is 1978240424.

4240428791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4240428791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240428391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120214395 + 2120214396.

It is an arithmetic number, because the mean of its divisors is an integer number (2120214396).

Almost surely, 2^4240428791 is an apocalyptic number.

4240428791 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240428791 is an equidigital number, since it uses as much as digits as its factorization.

4240428791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 4240428791 is about 65118.5748538771. The cubic root of 4240428791 is about 1618.5890258456.

The spelling of 4240428791 in words is "four billion, two hundred forty million, four hundred twenty-eight thousand, seven hundred ninety-one".