240326478929 has 2 divisors, whose sum is σ = 240326478930. Its totient is φ = 240326478928.

The previous prime is 240326478907. The next prime is 240326478971. The reversal of 240326478929 is 929874623042.

240326478929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211857678400 + 28468800529 = 460280^2 + 168727^2 .

It is a cyclic number.

It is not a de Polignac number, because 240326478929 - 2³² = 236031511633 is a prime.

It is a super-2 number, since 2×240326478929² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240326478529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120163239464 + 120163239465.

It is an arithmetic number, because the mean of its divisors is an integer number (120163239465).

Almost surely, 2^240326478929 is an apocalyptic number.

It is an amenable number.

240326478929 is a deficient number, since it is larger than the sum of its proper divisors (1).

240326478929 is an equidigital number, since it uses as much as digits as its factorization.

240326478929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 240326478929 in words is "two hundred forty billion, three hundred twenty-six million, four hundred seventy-eight thousand, nine hundred twenty-nine".