5440064 has 28 divisors (see below), whose sum is σ = 12338304. Its totient is φ = 2331264.

The previous prime is 5440049. The next prime is 5440067. The reversal of 5440064 is 4600445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (5440067) 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, 5624 + ... + 6519.

Almost surely, 2^5440064 is an apocalyptic number.

It is an amenable number.

5440064 is an abundant number, since it is smaller than the sum of its proper divisors (6898240).

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

5440064 is a wasteful number, since it uses less digits than its factorization.

5440064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162 (or 12152 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5440064 is about 2332.3944777846. The cubic root of 5440064 is about 175.8738765824.

The spelling of 5440064 in words is "five million, four hundred forty thousand, sixty-four".