5440278 has 8 divisors (see below), whose sum is σ = 10880568. Its totient is φ = 1813424.

The previous prime is 5440273. The next prime is 5440301. The reversal of 5440278 is 8720445.

It is a sphenic number, since it is the product of 3 distinct primes.

5440278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453351 + ... + 453362.

It is an arithmetic number, because the mean of its divisors is an integer number (1360071).

Almost surely, 2^5440278 is an apocalyptic number.

5440278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5440278 is a wasteful number, since it uses less digits than its factorization.

5440278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906718.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 5440278 is about 2332.4403529351. The cubic root of 5440278 is about 175.8761827143.

The spelling of 5440278 in words is "five million, four hundred forty thousand, two hundred seventy-eight".