4044400808840 has 64 divisors (see below), whose sum is σ = 10412283974400. Its totient is φ = 1384998882048.

The previous prime is 4044400808801. The next prime is 4044400808869. The reversal of 4044400808840 is 488080044404.

It is a junction number, because it is equal to n+sod(n) for n = 4044400808791 and 4044400808800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8373119 + ... + 8842958.

It is an arithmetic number, because the mean of its divisors is an integer number (162691937100).

Almost surely, 2^{4044400808840} is an apocalyptic number.

4044400808840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044400808840 is an abundant number, since it is smaller than the sum of its proper divisors (6367883165560).

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

4044400808840 is a wasteful number, since it uses less digits than its factorization.

4044400808840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216934 (or 17216930 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 4044400808840 in words is "four trillion, forty-four billion, four hundred million, eight hundred eight thousand, eight hundred forty".