440423132399 has 2 divisors, whose sum is σ = 440423132400. Its totient is φ = 440423132398.

The previous prime is 440423132287. The next prime is 440423132407. The reversal of 440423132399 is 993231324044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440423132399 - 2²⁴ = 440406355183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440423132099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220211566199 + 220211566200.

It is an arithmetic number, because the mean of its divisors is an integer number (220211566200).

Almost surely, 2^440423132399 is an apocalyptic number.

440423132399 is a deficient number, since it is larger than the sum of its proper divisors (1).

440423132399 is an equidigital number, since it uses as much as digits as its factorization.

440423132399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 440423132399 in words is "four hundred forty billion, four hundred twenty-three million, one hundred thirty-two thousand, three hundred ninety-nine".