440221004287 has 2 divisors, whose sum is σ = 440221004288. Its totient is φ = 440221004286.

The previous prime is 440221004269. The next prime is 440221004339. The reversal of 440221004287 is 782400122044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440221004287 - 2⁷ = 440221004159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440221004207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220110502143 + 220110502144.

It is an arithmetic number, because the mean of its divisors is an integer number (220110502144).

Almost surely, 2^440221004287 is an apocalyptic number.

440221004287 is a deficient number, since it is larger than the sum of its proper divisors (1).

440221004287 is an equidigital number, since it uses as much as digits as its factorization.

440221004287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 34.

The spelling of 440221004287 in words is "four hundred forty billion, two hundred twenty-one million, four thousand, two hundred eighty-seven".