440674859 has 2 divisors, whose sum is σ = 440674860. Its totient is φ = 440674858.

The previous prime is 440674853. The next prime is 440674903. The reversal of 440674859 is 958476044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440674859 is a prime.

It is not a weakly prime, because it can be changed into another prime (440674853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220337429 + 220337430.

It is an arithmetic number, because the mean of its divisors is an integer number (220337430).

Almost surely, 2^440674859 is an apocalyptic number.

440674859 is a deficient number, since it is larger than the sum of its proper divisors (1).

440674859 is an equidigital number, since it uses as much as digits as its factorization.

440674859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 440674859 is about 20992.2571201860. The cubic root of 440674859 is about 760.9791505906.

The spelling of 440674859 in words is "four hundred forty million, six hundred seventy-four thousand, eight hundred fifty-nine".