440550079 has 2 divisors, whose sum is σ = 440550080. Its totient is φ = 440550078.

The previous prime is 440550037. The next prime is 440550167. The reversal of 440550079 is 970055044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440550079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440551079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220275039 + 220275040.

It is an arithmetic number, because the mean of its divisors is an integer number (220275040).

Almost surely, 2^440550079 is an apocalyptic number.

440550079 is a deficient number, since it is larger than the sum of its proper divisors (1).

440550079 is an equidigital number, since it uses as much as digits as its factorization.

440550079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 440550079 is about 20989.2848615669. The cubic root of 440550079 is about 760.9073183843.

The spelling of 440550079 in words is "four hundred forty million, five hundred fifty thousand, seventy-nine".