240412020501979 has 2 divisors, whose sum is σ = 240412020501980. Its totient is φ = 240412020501978.

The previous prime is 240412020501959. The next prime is 240412020502009. The reversal of 240412020501979 is 979105020214042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240412020501979 is a prime.

It is not a weakly prime, because it can be changed into another prime (240412020501959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120206010250989 + 120206010250990.

It is an arithmetic number, because the mean of its divisors is an integer number (120206010250990).

Almost surely, 2^{240412020501979} is an apocalyptic number.

240412020501979 is a deficient number, since it is larger than the sum of its proper divisors (1).

240412020501979 is an equidigital number, since it uses as much as digits as its factorization.

240412020501979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 240412020501979 in words is "two hundred forty trillion, four hundred twelve billion, twenty million, five hundred one thousand, nine hundred seventy-nine".