44004040440 has 32 divisors (see below), whose sum is σ = 132012121680. Its totient is φ = 11734410752.

The previous prime is 44004040391. The next prime is 44004040459. The reversal of 44004040440 is 4404040044.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 44004040440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183350049 + ... + 183350288.

Almost surely, 2^44004040440 is an apocalyptic number.

44004040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44004040440 is an abundant number, since it is smaller than the sum of its proper divisors (88008081240).

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

44004040440 is a wasteful number, since it uses less digits than its factorization.

44004040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366700351 (or 366700347 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 44004040440 its reverse (4404040044), we get a palindrome (48408080484).

The spelling of 44004040440 in words is "forty-four billion, four million, forty thousand, four hundred forty".