5440631 has 12 divisors (see below), whose sum is σ = 6565392. Its totient is φ = 4415904.

The previous prime is 5440621. The next prime is 5440637. The reversal of 5440631 is 1360445.

It is a happy number.

It is not a de Polignac number, because 5440631 - 2¹⁰ = 5439607 is a prime.

It is a super-2 number, since 2×5440631² = 59200931356322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5440597 and 5440606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1451 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (547116).

Almost surely, 2^5440631 is an apocalyptic number.

5440631 is a deficient number, since it is larger than the sum of its proper divisors (1124761).

5440631 is a wasteful number, since it uses less digits than its factorization.

5440631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5440631 is about 2332.5160235248. The cubic root of 5440631 is about 175.8799866223.

The spelling of 5440631 in words is "five million, four hundred forty thousand, six hundred thirty-one".