2016240 has 80 divisors (see below), whose sum is σ = 6475776. Its totient is φ = 518400.

The previous prime is 2016239. The next prime is 2016247. The reversal of 2016240 is 426102.

It is a tau number, because it is divible by the number of its divisors (80).

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 (2016247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305 + ... + 7575.

2^2016240 is an apocalyptic number.

2016240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2016240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237888).

2016240 is an abundant number, since it is smaller than the sum of its proper divisors (4459536).

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

2016240 is a wasteful number, since it uses less digits than its factorization.

2016240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2016240 is about 1419.9436608542. The cubic root of 2016240 is about 126.3322047380.

It can be divided in two parts, 20162 and 40, that added together give a palindrome (20202).

The spelling of 2016240 in words is "two million, sixteen thousand, two hundred forty".