44591961809840 has 40 divisors (see below), whose sum is σ = 103793991634368. Its totient is φ = 17816538629120.

The previous prime is 44591961809827. The next prime is 44591961809917. The reversal of 44591961809840 is 4890816919544.

44591961809840 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

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 7 ways as a sum of consecutive naturals, for example, 316274312 + ... + 316415271.

Almost surely, 2^{44591961809840} is an apocalyptic number.

44591961809840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44591961809840 is an abundant number, since it is smaller than the sum of its proper divisors (59202029824528).

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

44591961809840 is a wasteful number, since it uses less digits than its factorization.

44591961809840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632690477 (or 632690471 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 68.

The spelling of 44591961809840 in words is "forty-four trillion, five hundred ninety-one billion, nine hundred sixty-one million, eight hundred nine thousand, eight hundred forty".