44538660001 has 16 divisors (see below), whose sum is σ = 48996167616. Its totient is φ = 40149720000.

The previous prime is 44538659999. The next prime is 44538660007. The reversal of 44538660001 is 10006683544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44538660001 - 2¹ = 44538659999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44538660007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978831 + ... + 2001211.

It is an arithmetic number, because the mean of its divisors is an integer number (3062260476).

Almost surely, 2^44538660001 is an apocalyptic number.

It is an amenable number.

44538660001 is a deficient number, since it is larger than the sum of its proper divisors (4457507615).

44538660001 is a wasteful number, since it uses less digits than its factorization.

44538660001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23904.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 44538660001 in words is "forty-four billion, five hundred thirty-eight million, six hundred sixty thousand, one".