440670047 has 2 divisors, whose sum is σ = 440670048. Its totient is φ = 440670046.

The previous prime is 440670029. The next prime is 440670169. The reversal of 440670047 is 740076044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440670047 - 2¹⁰ = 440669023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 440669995 and 440670022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440670007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220335023 + 220335024.

It is an arithmetic number, because the mean of its divisors is an integer number (220335024).

Almost surely, 2^440670047 is an apocalyptic number.

440670047 is a deficient number, since it is larger than the sum of its proper divisors (1).

440670047 is an equidigital number, since it uses as much as digits as its factorization.

440670047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 440670047 is about 20992.1425061855. The cubic root of 440670047 is about 760.9763807140.

The spelling of 440670047 in words is "four hundred forty million, six hundred seventy thousand, forty-seven".