44043340743440 has 40 divisors (see below), whose sum is σ = 102656130812568. Its totient is φ = 17573402777600.

The previous prime is 44043340743439. The next prime is 44043340743443. The reversal of 44043340743440 is 4434704334044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29374839060736 + 14668501682704 = 5419856^2 + 3829948^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 44043340743391 and 44043340743400.

It is not an unprimeable number, because it can be changed into a prime (44043340743443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 686428967 + ... + 686493126.

Almost surely, 2^{44043340743440} is an apocalyptic number.

44043340743440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44043340743440 is an abundant number, since it is smaller than the sum of its proper divisors (58612790069128).

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

44043340743440 is a wasteful number, since it uses less digits than its factorization.

44043340743440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372922507 (or 1372922501 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 44.

The spelling of 44043340743440 in words is "forty-four trillion, forty-three billion, three hundred forty million, seven hundred forty-three thousand, four hundred forty".