440055361 has 2 divisors, whose sum is σ = 440055362. Its totient is φ = 440055360.

The previous prime is 440055349. The next prime is 440055377. The reversal of 440055361 is 163550044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438651136 + 1404225 = 20944^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 440055361 - 2⁷ = 440055233 is a prime.

It is not a weakly prime, because it can be changed into another prime (440055311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220027680 + 220027681.

It is an arithmetic number, because the mean of its divisors is an integer number (220027681).

Almost surely, 2^440055361 is an apocalyptic number.

It is an amenable number.

440055361 is a deficient number, since it is larger than the sum of its proper divisors (1).

440055361 is an equidigital number, since it uses as much as digits as its factorization.

440055361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 440055361 is about 20977.4965379570. The cubic root of 440055361 is about 760.6223900950.

The spelling of 440055361 in words is "four hundred forty million, fifty-five thousand, three hundred sixty-one".