44400404840 has 64 divisors (see below), whose sum is σ = 115393584960. Its totient is φ = 15195857920.

The previous prime is 44400404801. The next prime is 44400404911. The reversal of 44400404840 is 4840400444.

It is a junction number, because it is equal to n+sod(n) for n = 44400404797 and 44400404806.

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, 2960462 + ... + 2975421.

It is an arithmetic number, because the mean of its divisors is an integer number (1803024765).

Almost surely, 2^44400404840 is an apocalyptic number.

44400404840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44400404840 is an abundant number, since it is smaller than the sum of its proper divisors (70993180120).

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

44400404840 is a wasteful number, since it uses less digits than its factorization.

44400404840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935922 (or 5935918 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 44400404840 in words is "forty-four billion, four hundred million, four hundred four thousand, eight hundred forty".