5264240 has 40 divisors (see below), whose sum is σ = 12775968. Its totient is φ = 2013440.

The previous prime is 5264213. The next prime is 5264251. The reversal of 5264240 is 424625.

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 (23).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410 + ... + 3270.

Almost surely, 2^5264240 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 5264240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6387984).

5264240 is an abundant number, since it is smaller than the sum of its proper divisors (7511728).

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

5264240 is a wasteful number, since it uses less digits than its factorization.

5264240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2891 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5264240 is about 2294.3931659591. The cubic root of 5264240 is about 173.9583288592.

Adding to 5264240 its reverse (424625), we get a palindrome (5688865).

The spelling of 5264240 in words is "five million, two hundred sixty-four thousand, two hundred forty".