240625872439 has 2 divisors, whose sum is σ = 240625872440. Its totient is φ = 240625872438.

The previous prime is 240625872437. The next prime is 240625872449. The reversal of 240625872439 is 934278526042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240625872439 - 2¹ = 240625872437 is a prime.

Together with 240625872437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240625872437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120312936219 + 120312936220.

It is an arithmetic number, because the mean of its divisors is an integer number (120312936220).

Almost surely, 2^240625872439 is an apocalyptic number.

240625872439 is a deficient number, since it is larger than the sum of its proper divisors (1).

240625872439 is an equidigital number, since it uses as much as digits as its factorization.

240625872439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 240625872439 in words is "two hundred forty billion, six hundred twenty-five million, eight hundred seventy-two thousand, four hundred thirty-nine".