5272440 has 64 divisors (see below), whose sum is σ = 16135200. Its totient is φ = 1377792.

The previous prime is 5272433. The next prime is 5272441. The reversal of 5272440 is 442725.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5272440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272441) 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, 5946 + ... + 6774.

Almost surely, 2^5272440 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 5272440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8067600).

5272440 is an abundant number, since it is smaller than the sum of its proper divisors (10862760).

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

5272440 is a wasteful number, since it uses less digits than its factorization.

5272440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 5272440 is about 2296.1794354971. The cubic root of 5272440 is about 174.0486057895.

The spelling of 5272440 in words is "five million, two hundred seventy-two thousand, four hundred forty".