2044042422440 has 16 divisors (see below), whose sum is σ = 4599095450580. Its totient is φ = 817616968960.

The previous prime is 2044042422437. The next prime is 2044042422467. The reversal of 2044042422440 is 442242404402.

It can be written as a sum of positive squares in 2 ways, for example, as 1939941981124 + 104100441316 = 1392818^2 + 322646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2044042422397 and 2044042422406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25550530241 + ... + 25550530320.

Almost surely, 2^{2044042422440} is an apocalyptic number.

2044042422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044042422440 is an abundant number, since it is smaller than the sum of its proper divisors (2555053028140).

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

2044042422440 is a wasteful number, since it uses less digits than its factorization.

2044042422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51101060572 (or 51101060568 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2044042422440 its reverse (442242404402), we get a palindrome (2486284826842).

The spelling of 2044042422440 in words is "two trillion, forty-four billion, forty-two million, four hundred twenty-two thousand, four hundred forty".