440615089 has 2 divisors, whose sum is σ = 440615090. Its totient is φ = 440615088.

The previous prime is 440615051. The next prime is 440615141. The reversal of 440615089 is 980516044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439615089 + 1000000 = 20967^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 440615089 - 2⁷ = 440614961 is a prime.

It is not a weakly prime, because it can be changed into another prime (440615029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220307544 + 220307545.

It is an arithmetic number, because the mean of its divisors is an integer number (220307545).

Almost surely, 2^440615089 is an apocalyptic number.

It is an amenable number.

440615089 is a deficient number, since it is larger than the sum of its proper divisors (1).

440615089 is an equidigital number, since it uses as much as digits as its factorization.

440615089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 440615089 is about 20990.8334517713. The cubic root of 440615089 is about 760.9447444373.

The spelling of 440615089 in words is "four hundred forty million, six hundred fifteen thousand, eighty-nine".