440102622373261 has 2 divisors, whose sum is σ = 440102622373262. Its totient is φ = 440102622373260.

The previous prime is 440102622373207. The next prime is 440102622373289. The reversal of 440102622373261 is 162373226201044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229298183334025 + 210804439039236 = 15142595^2 + 14519106^2 .

It is a cyclic number.

It is not a de Polignac number, because 440102622373261 - 2¹⁹ = 440102621848973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440102622379261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220051311186630 + 220051311186631.

It is an arithmetic number, because the mean of its divisors is an integer number (220051311186631).

Almost surely, 2^{440102622373261} is an apocalyptic number.

It is an amenable number.

440102622373261 is a deficient number, since it is larger than the sum of its proper divisors (1).

440102622373261 is an equidigital number, since it uses as much as digits as its factorization.

440102622373261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 440102622373261 in words is "four hundred forty trillion, one hundred two billion, six hundred twenty-two million, three hundred seventy-three thousand, two hundred sixty-one".