5040644 has 12 divisors (see below), whose sum is σ = 10081344. Its totient is φ = 2160264.

The previous prime is 5040601. The next prime is 5040647. The reversal of 5040644 is 4460405.

It is a happy number.

5040644 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5040647) 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, 89984 + ... + 90039.

It is an arithmetic number, because the mean of its divisors is an integer number (840112).

Almost surely, 2^5040644 is an apocalyptic number.

It is an amenable number.

5040644 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.

5040644 is a wasteful number, since it uses less digits than its factorization.

5040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180034 (or 180032 counting only the distinct ones).

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

The square root of 5040644 is about 2245.1378576827. The cubic root of 5040644 is about 171.4596799365.

The spelling of 5040644 in words is "five million, forty thousand, six hundred forty-four".