5444440 has 16 divisors (see below), whose sum is σ = 12250080. Its totient is φ = 2177760.

The previous prime is 5444429. The next prime is 5444447. The reversal of 5444440 is 444445.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444447) 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, 68016 + ... + 68095.

It is an arithmetic number, because the mean of its divisors is an integer number (765630).

Almost surely, 2^5444440 is an apocalyptic number.

It is an amenable number.

5444440 is an abundant number, since it is smaller than the sum of its proper divisors (6805640).

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

5444440 is a wasteful number, since it uses less digits than its factorization.

5444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136122 (or 136118 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 5444440 is about 2333.3323809522. The cubic root of 5444440 is about 175.9210217271.

Adding to 5444440 its reverse (444445), we get a palindrome (5888885).

The spelling of 5444440 in words is "five million, four hundred forty-four thousand, four hundred forty".