440969159 has 2 divisors, whose sum is σ = 440969160. Its totient is φ = 440969158.

The previous prime is 440969147. The next prime is 440969167. The reversal of 440969159 is 951969044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440969159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440969759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220484579 + 220484580.

It is an arithmetic number, because the mean of its divisors is an integer number (220484580).

Almost surely, 2^440969159 is an apocalyptic number.

440969159 is a deficient number, since it is larger than the sum of its proper divisors (1).

440969159 is an equidigital number, since it uses as much as digits as its factorization.

440969159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 440969159 is about 20999.2656776374. The cubic root of 440969159 is about 761.1485168270.

The spelling of 440969159 in words is "four hundred forty million, nine hundred sixty-nine thousand, one hundred fifty-nine".