44041601353561 has 16 divisors (see below), whose sum is σ = 51395148230400. Its totient is φ = 37724454085920.

The previous prime is 44041601353553. The next prime is 44041601353597. The reversal of 44041601353561 is 16535310614044.

It is not a de Polignac number, because 44041601353561 - 2³ = 44041601353553 is a prime.

It is a super-2 number, since 2×44041601353561² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44041601353531) 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 15 ways as a sum of consecutive naturals, for example, 42841501 + ... + 43857466.

It is an arithmetic number, because the mean of its divisors is an integer number (3212196764400).

Almost surely, 2^{44041601353561} is an apocalyptic number.

It is an amenable number.

44041601353561 is a deficient number, since it is larger than the sum of its proper divisors (7353546876839).

44041601353561 is an equidigital number, since it uses as much as digits as its factorization.

44041601353561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86700469 (or 86700455 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 44041601353561 in words is "forty-four trillion, forty-one billion, six hundred one million, three hundred fifty-three thousand, five hundred sixty-one".