440020460629 has 2 divisors, whose sum is σ = 440020460630. Its totient is φ = 440020460628.

The previous prime is 440020460569. The next prime is 440020460641. The reversal of 440020460629 is 926064020044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436372542225 + 3647918404 = 660585^2 + 60398^2 .

It is a cyclic number.

It is not a de Polignac number, because 440020460629 - 2²⁵ = 439986906197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440020460029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220010230314 + 220010230315.

It is an arithmetic number, because the mean of its divisors is an integer number (220010230315).

Almost surely, 2^440020460629 is an apocalyptic number.

It is an amenable number.

440020460629 is a deficient number, since it is larger than the sum of its proper divisors (1).

440020460629 is an equidigital number, since it uses as much as digits as its factorization.

440020460629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 440020460629 in words is "four hundred forty billion, twenty million, four hundred sixty thousand, six hundred twenty-nine".