440020124237677 has 2 divisors, whose sum is σ = 440020124237678. Its totient is φ = 440020124237676.

The previous prime is 440020124237669. The next prime is 440020124237719. The reversal of 440020124237677 is 776732421020044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364493352540681 + 75526771696996 = 19091709^2 + 8690614^2 .

It is a cyclic number.

It is not a de Polignac number, because 440020124237677 - 2³ = 440020124237669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440020124237677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440020124237377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220010062118838 + 220010062118839.

It is an arithmetic number, because the mean of its divisors is an integer number (220010062118839).

Almost surely, 2^{440020124237677} is an apocalyptic number.

It is an amenable number.

440020124237677 is a deficient number, since it is larger than the sum of its proper divisors (1).

440020124237677 is an equidigital number, since it uses as much as digits as its factorization.

440020124237677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 49.

The spelling of 440020124237677 in words is "four hundred forty trillion, twenty billion, one hundred twenty-four million, two hundred thirty-seven thousand, six hundred seventy-seven".