5540140 has 12 divisors (see below), whose sum is σ = 11634336. Its totient is φ = 2216048.

The previous prime is 5540137. The next prime is 5540141. The reversal of 5540140 is 410455.

It is not an unprimeable number, because it can be changed into a prime (5540141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138484 + ... + 138523.

It is an arithmetic number, because the mean of its divisors is an integer number (969528).

Almost surely, 2^5540140 is an apocalyptic number.

It is an amenable number.

5540140 is an abundant number, since it is smaller than the sum of its proper divisors (6094196).

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

5540140 is a wasteful number, since it uses less digits than its factorization.

5540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277016 (or 277014 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5540140 is about 2353.7501991503. The cubic root of 5540140 is about 176.9457950566.

Adding to 5540140 its reverse (410455), we get a palindrome (5950595).

The spelling of 5540140 in words is "five million, five hundred forty thousand, one hundred forty".