2440440444040 has 32 divisors (see below), whose sum is σ = 5680335519000. Its totient is φ = 942514929664.

The previous prime is 2440440444017. The next prime is 2440440444059. The reversal of 2440440444040 is 404440440442.

It can be written as a sum of positive squares in 4 ways, for example, as 2414002334436 + 26438109604 = 1553706^2 + 162598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2440440443987 and 2440440444005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051912825 + ... + 1051915144.

Almost surely, 2^{2440440444040} is an apocalyptic number.

2440440444040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440440444040 is an abundant number, since it is smaller than the sum of its proper divisors (3239895074960).

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

2440440444040 is a wasteful number, since it uses less digits than its factorization.

2440440444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103828009 (or 2103828005 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2440440444040 its reverse (404440440442), we get a palindrome (2844880884482).

The spelling of 2440440444040 in words is "two trillion, four hundred forty billion, four hundred forty million, four hundred forty-four thousand, forty".