44040404440 has 16 divisors (see below), whose sum is σ = 99090910080. Its totient is φ = 17616161760.

The previous prime is 44040404413. The next prime is 44040404461. The reversal of 44040404440 is 4440404044.

It is a junction number, because it is equal to n+sod(n) for n = 44040404399 and 44040404408.

It is a congruent number.

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, 550505016 + ... + 550505095.

It is an arithmetic number, because the mean of its divisors is an integer number (6193181880).

Almost surely, 2^44040404440 is an apocalyptic number.

44040404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44040404440 is an abundant number, since it is smaller than the sum of its proper divisors (55050505640).

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

44040404440 is a wasteful number, since it uses less digits than its factorization.

44040404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101010122 (or 1101010118 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44040404440 its reverse (4440404044), we get a palindrome (48480808484).

The spelling of 44040404440 in words is "forty-four billion, forty million, four hundred four thousand, four hundred forty".