44406138003 has 4 divisors (see below), whose sum is σ = 59208184008. Its totient is φ = 29604092000.

The previous prime is 44406137981. The next prime is 44406138011. The reversal of 44406138003 is 30083160444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44406138003 - 2⁹ = 44406137491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44406138503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7401022998 + ... + 7401023003.

It is an arithmetic number, because the mean of its divisors is an integer number (14802046002).

Almost surely, 2^44406138003 is an apocalyptic number.

44406138003 is a deficient number, since it is larger than the sum of its proper divisors (14802046005).

44406138003 is a wasteful number, since it uses less digits than its factorization.

44406138003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14802046004.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 44406138003 its reverse (30083160444), we get a palindrome (74489298447).

The spelling of 44406138003 in words is "forty-four billion, four hundred six million, one hundred thirty-eight thousand, three".