240220412389 has 2 divisors, whose sum is σ = 240220412390. Its totient is φ = 240220412388.

The previous prime is 240220412387. The next prime is 240220412429. The reversal of 240220412389 is 983214022042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238861900225 + 1358512164 = 488735^2 + 36858^2 .

It is a cyclic number.

It is not a de Polignac number, because 240220412389 - 2¹ = 240220412387 is a prime.

Together with 240220412387, 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 (240220412387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120110206194 + 120110206195.

It is an arithmetic number, because the mean of its divisors is an integer number (120110206195).

Almost surely, 2^240220412389 is an apocalyptic number.

It is an amenable number.

240220412389 is a deficient number, since it is larger than the sum of its proper divisors (1).

240220412389 is an equidigital number, since it uses as much as digits as its factorization.

240220412389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 240220412389 in words is "two hundred forty billion, two hundred twenty million, four hundred twelve thousand, three hundred eighty-nine".