440078959 has 2 divisors, whose sum is σ = 440078960. Its totient is φ = 440078958.

The previous prime is 440078921. The next prime is 440078963. The reversal of 440078959 is 959870044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440078959 - 2¹¹ = 440076911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440075959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220039479 + 220039480.

It is an arithmetic number, because the mean of its divisors is an integer number (220039480).

Almost surely, 2^440078959 is an apocalyptic number.

440078959 is a deficient number, since it is larger than the sum of its proper divisors (1).

440078959 is an equidigital number, since it uses as much as digits as its factorization.

440078959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 440078959 is about 20978.0589902879. The cubic root of 440078959 is about 760.6359859952.

The spelling of 440078959 in words is "four hundred forty million, seventy-eight thousand, nine hundred fifty-nine".