44440040405 has 24 divisors (see below), whose sum is σ = 56313324000. Its totient is φ = 33662436192.

The previous prime is 44440040383. The next prime is 44440040417. The reversal of 44440040405 is 50404004444.

It is not a de Polignac number, because 44440040405 - 2¹⁸ = 44439778261 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3927446 + ... + 3938744.

It is an arithmetic number, because the mean of its divisors is an integer number (2346388500).

Almost surely, 2^44440040405 is an apocalyptic number.

It is an amenable number.

44440040405 is a deficient number, since it is larger than the sum of its proper divisors (11873283595).

44440040405 is a wasteful number, since it uses less digits than its factorization.

44440040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 44440040405 its reverse (50404004444), we get a palindrome (94844044849).

The spelling of 44440040405 in words is "forty-four billion, four hundred forty million, forty thousand, four hundred five".