440342231029 has 2 divisors, whose sum is σ = 440342231030. Its totient is φ = 440342231028.

The previous prime is 440342231003. The next prime is 440342231071. The reversal of 440342231029 is 920132243044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288908400004 + 151433831025 = 537502^2 + 389145^2 .

It is a cyclic number.

It is not a de Polignac number, because 440342231029 - 2¹⁹ = 440341706741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440342230985 and 440342231003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440342231089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220171115514 + 220171115515.

It is an arithmetic number, because the mean of its divisors is an integer number (220171115515).

Almost surely, 2^440342231029 is an apocalyptic number.

It is an amenable number.

440342231029 is a deficient number, since it is larger than the sum of its proper divisors (1).

440342231029 is an equidigital number, since it uses as much as digits as its factorization.

440342231029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 440342231029 in words is "four hundred forty billion, three hundred forty-two million, two hundred thirty-one thousand, twenty-nine".