4240556431 has 2 divisors, whose sum is σ = 4240556432. Its totient is φ = 4240556430.

The previous prime is 4240556423. The next prime is 4240556473. The reversal of 4240556431 is 1346550424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4240556431 - 2³ = 4240556423 is a prime.

It is a super-2 number, since 2×4240556431² = 35964637688990915522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240556491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120278215 + 2120278216.

It is an arithmetic number, because the mean of its divisors is an integer number (2120278216).

Almost surely, 2^4240556431 is an apocalyptic number.

4240556431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240556431 is an equidigital number, since it uses as much as digits as its factorization.

4240556431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 4240556431 is about 65119.5549048057. The cubic root of 4240556431 is about 1618.6052659195.

The spelling of 4240556431 in words is "four billion, two hundred forty million, five hundred fifty-six thousand, four hundred thirty-one".