240280879 has 2 divisors, whose sum is σ = 240280880. Its totient is φ = 240280878.

The previous prime is 240280877. The next prime is 240280913. The reversal of 240280879 is 978082042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240280879 - 2¹ = 240280877 is a prime.

Together with 240280877, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240280877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120140439 + 120140440.

It is an arithmetic number, because the mean of its divisors is an integer number (120140440).

Almost surely, 2^240280879 is an apocalyptic number.

240280879 is a deficient number, since it is larger than the sum of its proper divisors (1).

240280879 is an equidigital number, since it uses as much as digits as its factorization.

240280879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 240280879 is about 15500.9960647695. The cubic root of 240280879 is about 621.6888389990.

The spelling of 240280879 in words is "two hundred forty million, two hundred eighty thousand, eight hundred seventy-nine".