44404444397 has 16 divisors (see below), whose sum is σ = 47344564800. Its totient is φ = 41501359872.

The previous prime is 44404444393. The next prime is 44404444417. The reversal of 44404444397 is 79344440444.

It is a cyclic number.

It is not a de Polignac number, because 44404444397 - 2² = 44404444393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44404444393) 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 15 ways as a sum of consecutive naturals, for example, 2588354 + ... + 2605452.

It is an arithmetic number, because the mean of its divisors is an integer number (2959035300).

Almost surely, 2^44404444397 is an apocalyptic number.

It is an amenable number.

44404444397 is a deficient number, since it is larger than the sum of its proper divisors (2940120403).

44404444397 is a wasteful number, since it uses less digits than its factorization.

44404444397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172.

The product of its (nonzero) digits is 3096576, while the sum is 47.

The spelling of 44404444397 in words is "forty-four billion, four hundred four million, four hundred forty-four thousand, three hundred ninety-seven".