440131024453 has 2 divisors, whose sum is σ = 440131024454. Its totient is φ = 440131024452.

The previous prime is 440131024379. The next prime is 440131024469. The reversal of 440131024453 is 354420131044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335619772929 + 104511251524 = 579327^2 + 323282^2 .

It is a cyclic number.

It is not a de Polignac number, because 440131024453 - 2²⁹ = 439594153541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440131024483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220065512226 + 220065512227.

It is an arithmetic number, because the mean of its divisors is an integer number (220065512227).

Almost surely, 2^440131024453 is an apocalyptic number.

It is an amenable number.

440131024453 is a deficient number, since it is larger than the sum of its proper divisors (1).

440131024453 is an equidigital number, since it uses as much as digits as its factorization.

440131024453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 440131024453 its reverse (354420131044), we get a palindrome (794551155497).

The spelling of 440131024453 in words is "four hundred forty billion, one hundred thirty-one million, twenty-four thousand, four hundred fifty-three".