44399171949 has 32 divisors (see below), whose sum is σ = 68411796480. Its totient is φ = 25313760000.

The previous prime is 44399171909. The next prime is 44399171959. The reversal of 44399171949 is 94917199344.

It is not a de Polignac number, because 44399171949 - 2⁹ = 44399171437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44399171892 and 44399171901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44399171909) 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 31 ways as a sum of consecutive naturals, for example, 1245232 + ... + 1280390.

It is an arithmetic number, because the mean of its divisors is an integer number (2137868640).

Almost surely, 2^44399171949 is an apocalyptic number.

It is an amenable number.

44399171949 is a deficient number, since it is larger than the sum of its proper divisors (24012624531).

44399171949 is a wasteful number, since it uses less digits than its factorization.

44399171949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37441.

The product of its digits is 8817984, while the sum is 60.

It can be divided in two parts, 44 and 399171949, that added together give a palindrome (399171993).

The spelling of 44399171949 in words is "forty-four billion, three hundred ninety-nine million, one hundred seventy-one thousand, nine hundred forty-nine".