5220240 has 40 divisors (see below), whose sum is σ = 16183488. Its totient is φ = 1392000.

The previous prime is 5220239. The next prime is 5220247. The reversal of 5220240 is 420225.

5220240 = T₄₅₉ + T₄₆₀ + ... + T₅₀₃.

5220240 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is not an unprimeable number, because it can be changed into a prime (5220247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10636 + ... + 11115.

Almost surely, 2^5220240 is an apocalyptic number.

It is an amenable number.

5220240 is an abundant number, since it is smaller than the sum of its proper divisors (10963248).

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

5220240 is a wasteful number, since it uses less digits than its factorization.

5220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21767 (or 21761 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 5220240 is about 2284.7844537286. The cubic root of 5220240 is about 173.4723080044.

Subtracting from 5220240 its sum of digits (15), we obtain a palindrome (5220225).

Adding to 5220240 its reverse (420225), we get a palindrome (5640465).

It can be divided in two parts, 5220 and 240, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 5220240 in words is "five million, two hundred twenty thousand, two hundred forty".