440885399 has 2 divisors, whose sum is σ = 440885400. Its totient is φ = 440885398.

The previous prime is 440885353. The next prime is 440885449. The reversal of 440885399 is 993588044.

It is a happy number.

It is an a-pointer prime, because the next prime (440885449) can be obtained adding 440885399 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440885399 - 2⁸ = 440885143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440885699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220442699 + 220442700.

It is an arithmetic number, because the mean of its divisors is an integer number (220442700).

Almost surely, 2^440885399 is an apocalyptic number.

440885399 is a deficient number, since it is larger than the sum of its proper divisors (1).

440885399 is an equidigital number, since it uses as much as digits as its factorization.

440885399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 440885399 is about 20997.2712274714. The cubic root of 440885399 is about 761.1003215919.

The spelling of 440885399 in words is "four hundred forty million, eight hundred eighty-five thousand, three hundred ninety-nine".