240264029989 has 2 divisors, whose sum is σ = 240264029990. Its totient is φ = 240264029988.

The previous prime is 240264029987. The next prime is 240264030023. The reversal of 240264029989 is 989920462042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212986865025 + 27277164964 = 461505^2 + 165158^2 .

It is a cyclic number.

It is not a de Polignac number, because 240264029989 - 2¹ = 240264029987 is a prime.

Together with 240264029987, 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 (240264029981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120132014994 + 120132014995.

It is an arithmetic number, because the mean of its divisors is an integer number (120132014995).

Almost surely, 2^240264029989 is an apocalyptic number.

It is an amenable number.

240264029989 is a deficient number, since it is larger than the sum of its proper divisors (1).

240264029989 is an equidigital number, since it uses as much as digits as its factorization.

240264029989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 240264029989 in words is "two hundred forty billion, two hundred sixty-four million, twenty-nine thousand, nine hundred eighty-nine".