2440013440 has 192 divisors, whose sum is σ = 6295644000. Its totient is φ = 903886848.

The previous prime is 2440013431. The next prime is 2440013473. The reversal of 2440013440 is 443100442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13631271 + ... + 13631449.

Almost surely, 2^2440013440 is an apocalyptic number.

2440013440 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 2440013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147822000).

2440013440 is an abundant number, since it is smaller than the sum of its proper divisors (3855630560).

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

2440013440 is a wasteful number, since it uses less digits than its factorization.

2440013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2440013440 is about 49396.4921831500. The cubic root of 2440013440 is about 1346.2655712758.

Adding to 2440013440 its reverse (443100442), we get a palindrome (2883113882).

The spelling of 2440013440 in words is "two billion, four hundred forty million, thirteen thousand, four hundred forty".