4400368481 has 2 divisors, whose sum is σ = 4400368482. Its totient is φ = 4400368480.

The previous prime is 4400368459. The next prime is 4400368547. The reversal of 4400368481 is 1848630044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2809954081 + 1590414400 = 53009^2 + 39880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4400368481 is a prime.

It is a super-2 number, since 2×4400368481² = 38726485537156494722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4400368411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200184240 + 2200184241.

It is an arithmetic number, because the mean of its divisors is an integer number (2200184241).

Almost surely, 2^4400368481 is an apocalyptic number.

It is an amenable number.

4400368481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400368481 is an equidigital number, since it uses as much as digits as its factorization.

4400368481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 4400368481 is about 66335.2732790029. The cubic root of 4400368481 is about 1638.6882830034.

The spelling of 4400368481 in words is "four billion, four hundred million, three hundred sixty-eight thousand, four hundred eighty-one".