5540340 has 48 divisors (see below), whose sum is σ = 16708608. Its totient is φ = 1363584.

The previous prime is 5540321. The next prime is 5540347. The reversal of 5540340 is 430455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2772 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (348096).

Almost surely, 2^5540340 is an apocalyptic number.

It is an amenable number.

5540340 is an abundant number, since it is smaller than the sum of its proper divisors (11168268).

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

5540340 is a wasteful number, since it uses less digits than its factorization.

5540340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128 (or 7126 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 5540340 is about 2353.7926841589. The cubic root of 5540340 is about 176.9479242888.

Adding to 5540340 its reverse (430455), we get a palindrome (5970795).

The spelling of 5540340 in words is "five million, five hundred forty thousand, three hundred forty".