440885013497 has 2 divisors, whose sum is σ = 440885013498. Its totient is φ = 440885013496.

The previous prime is 440885013493. The next prime is 440885013511. The reversal of 440885013497 is 794310588044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368104304656 + 72780708841 = 606716^2 + 269779^2 .

It is a cyclic number.

It is not a de Polignac number, because 440885013497 - 2² = 440885013493 is a prime.

It is not a weakly prime, because it can be changed into another prime (440885013493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220442506748 + 220442506749.

It is an arithmetic number, because the mean of its divisors is an integer number (220442506749).

Almost surely, 2^440885013497 is an apocalyptic number.

It is an amenable number.

440885013497 is a deficient number, since it is larger than the sum of its proper divisors (1).

440885013497 is an equidigital number, since it uses as much as digits as its factorization.

440885013497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 440885013497 in words is "four hundred forty billion, eight hundred eighty-five million, thirteen thousand, four hundred ninety-seven".