5409240 has 32 divisors (see below), whose sum is σ = 16228080. Its totient is φ = 1442432.

The previous prime is 5409203. The next prime is 5409241. The reversal of 5409240 is 429045.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5409240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409241) 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, 22419 + ... + 22658.

Almost surely, 2^5409240 is an apocalyptic number.

It is an amenable number.

5409240 is an abundant number, since it is smaller than the sum of its proper divisors (10818840).

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

5409240 is a wasteful number, since it uses less digits than its factorization.

5409240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45091 (or 45087 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 5409240 is about 2325.7772894239. Note that the first 3 decimals coincide. The cubic root of 5409240 is about 175.5410736569.

The spelling of 5409240 in words is "five million, four hundred nine thousand, two hundred forty".