240464321 has 2 divisors, whose sum is σ = 240464322. Its totient is φ = 240464320.

The previous prime is 240464311. The next prime is 240464327. The reversal of 240464321 is 123464042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238393600 + 2070721 = 15440^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 240464321 - 2¹⁴ = 240447937 is a prime.

It is not a weakly prime, because it can be changed into another prime (240464327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120232160 + 120232161.

It is an arithmetic number, because the mean of its divisors is an integer number (120232161).

Almost surely, 2^240464321 is an apocalyptic number.

It is an amenable number.

240464321 is a deficient number, since it is larger than the sum of its proper divisors (1).

240464321 is an equidigital number, since it uses as much as digits as its factorization.

240464321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 240464321 is about 15506.9120394745. The cubic root of 240464321 is about 621.8470078256.

The spelling of 240464321 in words is "two hundred forty million, four hundred sixty-four thousand, three hundred twenty-one".