44027129601 has 108 divisors (see below), whose sum is σ = 84633353532. Its totient is φ = 21856214016.

The previous prime is 44027129599. The next prime is 44027129609. The reversal of 44027129601 is 10692172044.

It is a happy number.

44027129601 is a `hidden beast` number, since 4 + 4 + 0 + 27 + 1 + 29 + 601 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 9408806001 + 34618323600 = 96999^2 + 186060^2 .

It is not a de Polignac number, because 44027129601 - 2¹ = 44027129599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44027129609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1643551 + ... + 1670123.

Almost surely, 2^44027129601 is an apocalyptic number.

It is an amenable number.

44027129601 is a deficient number, since it is larger than the sum of its proper divisors (40606223931).

44027129601 is a wasteful number, since it uses less digits than its factorization.

44027129601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26640 (or 26613 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 44027129601 in words is "forty-four billion, twenty-seven million, one hundred twenty-nine thousand, six hundred one".