5544440 has 32 divisors (see below), whose sum is σ = 13610160. Its totient is φ = 2016000.

The previous prime is 5544437. The next prime is 5544479. The reversal of 5544440 is 444455.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861 + ... + 6740.

Almost surely, 2^5544440 is an apocalyptic number.

It is an amenable number.

5544440 is an abundant number, since it is smaller than the sum of its proper divisors (8065720).

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

5544440 is a wasteful number, since it uses less digits than its factorization.

5544440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12623 (or 12619 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 5544440 is about 2354.6634579065. The cubic root of 5544440 is about 176.9915622607.

Adding to 5544440 its reverse (444455), we get a palindrome (5988895).

It can be divided in two parts, 554 and 4440, that added together give a palindrome (4994).

The spelling of 5544440 in words is "five million, five hundred forty-four thousand, four hundred forty".