5140440 has 96 divisors (see below), whose sum is σ = 16988400. Its totient is φ = 1347840.

The previous prime is 5140411. The next prime is 5140459. The reversal of 5140440 is 440415.

5140440 = T₂₅₁ + T₂₅₂ + ... + T₃₅₉.

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 23 ways as a sum of consecutive naturals, for example, 39175 + ... + 39305.

Almost surely, 2^5140440 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 5140440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8494200).

5140440 is an abundant number, since it is smaller than the sum of its proper divisors (11847960).

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

5140440 is a wasteful number, since it uses less digits than its factorization.

5140440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5140440 is about 2267.2538455144. The cubic root of 5140440 is about 172.5838281913.

Adding to 5140440 its reverse (440415), we get a palindrome (5580855).

The spelling of 5140440 in words is "five million, one hundred forty thousand, four hundred forty".