5510040 has 128 divisors (see below), whose sum is σ = 18221760. Its totient is φ = 1327104.

The previous prime is 5510027. The next prime is 5510047. The reversal of 5510040 is 400155.

5510040 = T₂₅ + T₂₆ + ... + T₃₂₀.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5510047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75444 + ... + 75516.

Almost surely, 2^5510040 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 5510040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9110880).

5510040 is an abundant number, since it is smaller than the sum of its proper divisors (12711720).

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

5510040 is a wasteful number, since it uses less digits than its factorization.

5510040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5510040 is about 2347.3474391321. The cubic root of 5510040 is about 176.6247596499.

Adding to 5510040 its reverse (400155), we get a palindrome (5910195).

The spelling of 5510040 in words is "five million, five hundred ten thousand, forty".