2440512 has 84 divisors (see below), whose sum is σ = 7396480. Its totient is φ = 767232.

The previous prime is 2440499. The next prime is 2440513. The reversal of 2440512 is 2150442.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10833 + ... + 11055.

2^2440512 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 2440512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3698240).

2440512 is an abundant number, since it is smaller than the sum of its proper divisors (4955968).

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

2440512 is a wasteful number, since it uses less digits than its factorization.

2440512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2440512 is about 1562.2138137912. The cubic root of 2440512 is about 134.6357257718.

Adding to 2440512 its reverse (2150442), we get a palindrome (4590954).

The spelling of 2440512 in words is "two million, four hundred forty thousand, five hundred twelve".