44004404440 has 32 divisors (see below), whose sum is σ = 99213259680. Its totient is φ = 17565610752.

The previous prime is 44004404407. The next prime is 44004404441. The reversal of 44004404440 is 4440440044.

It is a super-2 number, since 2×44004404440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44004404399 and 44004404408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004404441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109997 + ... + 1148956.

It is an arithmetic number, because the mean of its divisors is an integer number (3100414365).

Almost surely, 2^44004404440 is an apocalyptic number.

44004404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44004404440 is an abundant number, since it is smaller than the sum of its proper divisors (55208855240).

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

44004404440 is a wasteful number, since it uses less digits than its factorization.

44004404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259451 (or 2259447 counting only the distinct ones).

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

Adding to 44004404440 its reverse (4440440044), we get a palindrome (48444844484).

The spelling of 44004404440 in words is "forty-four billion, four million, four hundred four thousand, four hundred forty".