5409440 has 24 divisors (see below), whose sum is σ = 12780180. Its totient is φ = 2163712.

The previous prime is 5409427. The next prime is 5409461. The reversal of 5409440 is 449045.

It can be written as a sum of positive squares in 2 ways, for example, as 5400976 + 8464 = 2324^2 + 92^2 .

It is a super-2 number, since 2×5409440² = 58524082227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16745 + ... + 17064.

Almost surely, 2^5409440 is an apocalyptic number.

It is an amenable number.

5409440 is an abundant number, since it is smaller than the sum of its proper divisors (7370740).

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

5409440 is a wasteful number, since it uses less digits than its factorization.

5409440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33824 (or 33816 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5409440 is about 2325.8202854047. The cubic root of 5409440 is about 175.5432371020.

The spelling of 5409440 in words is "five million, four hundred nine thousand, four hundred forty".