5423544240 has 80 divisors (see below), whose sum is σ = 17355365376. Its totient is φ = 1399622400.

The previous prime is 5423544227. The next prime is 5423544241. The reversal of 5423544240 is 424453245.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (5423544241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357046 + ... + 371925.

Almost surely, 2^5423544240 is an apocalyptic number.

It is an amenable number.

5423544240 is an abundant number, since it is smaller than the sum of its proper divisors (11931821136).

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

5423544240 is a wasteful number, since it uses less digits than its factorization.

5423544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729018 (or 729012 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 5423544240 is about 73644.7163074175. The cubic root of 5423544240 is about 1756.9567156341.

Adding to 5423544240 its reverse (424453245), we get a palindrome (5847997485).

The spelling of 5423544240 in words is "five billion, four hundred twenty-three million, five hundred forty-four thousand, two hundred forty".