5140040 has 64 divisors (see below), whose sum is σ = 12476160. Its totient is φ = 1900800.

The previous prime is 5140027. The next prime is 5140049. The reversal of 5140040 is 400415.

It is a super-2 number, since 2×5140040² = 52840022403200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5139997 and 5140024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5140049) 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, 33965 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

Almost surely, 2^5140040 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 5140040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6238080).

5140040 is an abundant number, since it is smaller than the sum of its proper divisors (7336120).

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

5140040 is a wasteful number, since it uses less digits than its factorization.

5140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 5140040 is about 2267.1656313556. The cubic root of 5140040 is about 172.5793515757.

Adding to 5140040 its reverse (400415), we get a palindrome (5540455).

The spelling of 5140040 in words is "five million, one hundred forty thousand, forty".