456240439 has 2 divisors, whose sum is σ = 456240440. Its totient is φ = 456240438.

The previous prime is 456240419. The next prime is 456240469. The reversal of 456240439 is 934042654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456240439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 456240398 and 456240407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456240419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228120219 + 228120220.

It is an arithmetic number, because the mean of its divisors is an integer number (228120220).

Almost surely, 2^456240439 is an apocalyptic number.

456240439 is a deficient number, since it is larger than the sum of its proper divisors (1).

456240439 is an equidigital number, since it uses as much as digits as its factorization.

456240439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 456240439 is about 21359.7855560396. The cubic root of 456240439 is about 769.8354846144.

The spelling of 456240439 in words is "four hundred fifty-six million, two hundred forty thousand, four hundred thirty-nine".