2440002020440 has 64 divisors (see below), whose sum is σ = 5568702384960. Its totient is φ = 962016867840.

The previous prime is 2440002020371. The next prime is 2440002020479. The reversal of 2440002020440 is 440202000442.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11633782 + ... + 11841658.

It is an arithmetic number, because the mean of its divisors is an integer number (87010974765).

Almost surely, 2^{2440002020440} is an apocalyptic number.

2440002020440 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 2440002020440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2784351192480).

2440002020440 is an abundant number, since it is smaller than the sum of its proper divisors (3128700364520).

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

2440002020440 is a wasteful number, since it uses less digits than its factorization.

2440002020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212092 (or 212088 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 2440002020440 its reverse (440202000442), we get a palindrome (2880204020882).

The spelling of 2440002020440 in words is "two trillion, four hundred forty billion, two million, twenty thousand, four hundred forty".