240445772947 has 2 divisors, whose sum is σ = 240445772948. Its totient is φ = 240445772946.

The previous prime is 240445772929. The next prime is 240445773041. The reversal of 240445772947 is 749277544042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240445772947 - 2¹¹ = 240445770899 is a prime.

It is not a weakly prime, because it can be changed into another prime (240445770947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120222886473 + 120222886474.

It is an arithmetic number, because the mean of its divisors is an integer number (120222886474).

Almost surely, 2^240445772947 is an apocalyptic number.

240445772947 is a deficient number, since it is larger than the sum of its proper divisors (1).

240445772947 is an equidigital number, since it uses as much as digits as its factorization.

240445772947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15805440, while the sum is 55.

The spelling of 240445772947 in words is "two hundred forty billion, four hundred forty-five million, seven hundred seventy-two thousand, nine hundred forty-seven".