440042323783 has 2 divisors, whose sum is σ = 440042323784. Its totient is φ = 440042323782.

The previous prime is 440042323771. The next prime is 440042323817. The reversal of 440042323783 is 387323240044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440042323783 - 2²⁵ = 440008769351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440042393783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220021161891 + 220021161892.

It is an arithmetic number, because the mean of its divisors is an integer number (220021161892).

Almost surely, 2^440042323783 is an apocalyptic number.

440042323783 is a deficient number, since it is larger than the sum of its proper divisors (1).

440042323783 is an equidigital number, since it uses as much as digits as its factorization.

440042323783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 440042323783 in words is "four hundred forty billion, forty-two million, three hundred twenty-three thousand, seven hundred eighty-three".