44136603623 has 16 divisors (see below), whose sum is σ = 51847856640. Its totient is φ = 36778543776.

The previous prime is 44136603613. The next prime is 44136603673. The reversal of 44136603623 is 32630663144.

It is a cyclic number.

It is not a de Polignac number, because 44136603623 - 2⁸ = 44136603367 is a prime.

It is a super-2 number, since 2×44136603623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44136603613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247088 + ... + 386426.

It is an arithmetic number, because the mean of its divisors is an integer number (3240491040).

Almost surely, 2^44136603623 is an apocalyptic number.

44136603623 is a deficient number, since it is larger than the sum of its proper divisors (7711253017).

44136603623 is a wasteful number, since it uses less digits than its factorization.

44136603623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140606.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 44136603623 in words is "forty-four billion, one hundred thirty-six million, six hundred three thousand, six hundred twenty-three".