5440312 has 8 divisors (see below), whose sum is σ = 10200600. Its totient is φ = 2720152.

The previous prime is 5440307. The next prime is 5440319. The reversal of 5440312 is 2130445.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340012 + ... + 340027.

It is an arithmetic number, because the mean of its divisors is an integer number (1275075).

Almost surely, 2^5440312 is an apocalyptic number.

It is an amenable number.

5440312 is a deficient number, since it is larger than the sum of its proper divisors (4760288).

5440312 is a wasteful number, since it uses less digits than its factorization.

5440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680045 (or 680041 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5440312 is about 2332.4476414273. The cubic root of 5440312 is about 175.8765491036.

Adding to 5440312 its reverse (2130445), we get a palindrome (7570757).

The spelling of 5440312 in words is "five million, four hundred forty thousand, three hundred twelve".