5424640 has 80 divisors (see below), whose sum is σ = 14092848. Its totient is φ = 1990656.

The previous prime is 5424611. The next prime is 5424641. The reversal of 5424640 is 464245.

5424640 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5424641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33199 + ... + 33361.

Almost surely, 2^5424640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5424640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7046424).

5424640 is an abundant number, since it is smaller than the sum of its proper divisors (8668208).

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

5424640 is a wasteful number, since it uses less digits than its factorization.

5424640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5424640 is about 2329.0856575060. The cubic root of 5424640 is about 175.7075031454.

Adding to 5424640 its reverse (464245), we get a palindrome (5888885).

The spelling of 5424640 in words is "five million, four hundred twenty-four thousand, six hundred forty".