5408040240 has 60 divisors (see below), whose sum is σ = 18162004224. Its totient is φ = 1442143872.

The previous prime is 5408040229. The next prime is 5408040269. The reversal of 5408040240 is 420408045.

5408040240 is a `hidden beast` number, since 540 + 80 + 4 + 0 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3754864 + ... + 3756303.

Almost surely, 2^5408040240 is an apocalyptic number.

It is an amenable number.

5408040240 is an abundant number, since it is smaller than the sum of its proper divisors (12753963984).

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

5408040240 is a wasteful number, since it uses less digits than its factorization.

5408040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511186 (or 7511177 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 5408040240 is about 73539.3788388235. The cubic root of 5408040240 is about 1755.2809446257.

Adding to 5408040240 its reverse (420408045), we get a palindrome (5828448285).

The spelling of 5408040240 in words is "five billion, four hundred eight million, forty thousand, two hundred forty".