5449440 has 48 divisors (see below), whose sum is σ = 17167248. Its totient is φ = 1453056.

The previous prime is 5449429. The next prime is 5449441. The reversal of 5449440 is 449445.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5449398 and 5449407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5197 + ... + 6156.

It is an arithmetic number, because the mean of its divisors is an integer number (357651).

Almost surely, 2^5449440 is an apocalyptic number.

It is an amenable number.

5449440 is an abundant number, since it is smaller than the sum of its proper divisors (11717808).

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

5449440 is a wasteful number, since it uses less digits than its factorization.

5449440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11371 (or 11363 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5449440 is about 2334.4035640823. The cubic root of 5449440 is about 175.9748586677.

It can be divided in two parts, 54 and 49440, that added together give a palindrome (49494).

The spelling of 5449440 in words is "five million, four hundred forty-nine thousand, four hundred forty".