440514131413 has 2 divisors, whose sum is σ = 440514131414. Its totient is φ = 440514131412.

The previous prime is 440514131347. The next prime is 440514131417. The reversal of 440514131413 is 314131415044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229922168004 + 210591963409 = 479502^2 + 458903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440514131413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440514131417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220257065706 + 220257065707.

It is an arithmetic number, because the mean of its divisors is an integer number (220257065707).

Almost surely, 2^440514131413 is an apocalyptic number.

It is an amenable number.

440514131413 is a deficient number, since it is larger than the sum of its proper divisors (1).

440514131413 is an equidigital number, since it uses as much as digits as its factorization.

440514131413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 440514131413 its reverse (314131415044), we get a palindrome (754645546457).

The spelling of 440514131413 in words is "four hundred forty billion, five hundred fourteen million, one hundred thirty-one thousand, four hundred thirteen".