5440631443 has 16 divisors (see below), whose sum is σ = 5889350656. Its totient is φ = 4996300320.

The previous prime is 5440631423. The next prime is 5440631467. The reversal of 5440631443 is 3441360445.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5440631443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5440631399 and 5440631408.

It is not an unprimeable number, because it can be changed into a prime (5440631423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610880 + ... + 2612962.

It is an arithmetic number, because the mean of its divisors is an integer number (368084416).

Almost surely, 2^5440631443 is an apocalyptic number.

5440631443 is a deficient number, since it is larger than the sum of its proper divisors (448719213).

5440631443 is a wasteful number, since it uses less digits than its factorization.

5440631443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 5440631443 is about 73760.6361347297. The cubic root of 5440631443 is about 1758.7999139590.

Adding to 5440631443 its reverse (3441360445), we get a palindrome (8881991888).

It can be divided in two parts, 54406 and 31443, that added together give a square (85849 = 293²).

The spelling of 5440631443 in words is "five billion, four hundred forty million, six hundred thirty-one thousand, four hundred forty-three".