5340240 has 60 divisors (see below), whose sum is σ = 17936724. Its totient is φ = 1423872.

The previous prime is 5340239. The next prime is 5340253. The reversal of 5340240 is 420435.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 2143296 = 1788^2 + 1464^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2989 + ... + 4428.

Almost surely, 2^5340240 is an apocalyptic number.

It is an amenable number.

5340240 is an abundant number, since it is smaller than the sum of its proper divisors (12596484).

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

5340240 is a wasteful number, since it uses less digits than its factorization.

5340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436 (or 7427 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 5340240 is about 2310.8959301535. The cubic root of 5340240 is about 174.7914795282.

Adding to 5340240 its reverse (420435), we get a palindrome (5760675).

The spelling of 5340240 in words is "five million, three hundred forty thousand, two hundred forty".