44115657641 has 16 divisors (see below), whose sum is σ = 48756738048. Its totient is φ = 39582950400.

The previous prime is 44115657571. The next prime is 44115657643. The reversal of 44115657641 is 14675651144.

It is a cyclic number.

It is not a de Polignac number, because 44115657641 - 2¹⁰ = 44115656617 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44115657592 and 44115657601.

It is not an unprimeable number, because it can be changed into a prime (44115657643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187811 + ... + 351431.

It is an arithmetic number, because the mean of its divisors is an integer number (3047296128).

Almost surely, 2^44115657641 is an apocalyptic number.

It is an amenable number.

44115657641 is a deficient number, since it is larger than the sum of its proper divisors (4641080407).

44115657641 is a wasteful number, since it uses less digits than its factorization.

44115657641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163952.

The product of its digits is 403200, while the sum is 44.

The spelling of 44115657641 in words is "forty-four billion, one hundred fifteen million, six hundred fifty-seven thousand, six hundred forty-one".