44398905401 has 2 divisors, whose sum is σ = 44398905402. Its totient is φ = 44398905400.

The previous prime is 44398905379. The next prime is 44398905433. The reversal of 44398905401 is 10450989344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32264781376 + 12134124025 = 179624^2 + 110155^2 .

It is a cyclic number.

It is not a de Polignac number, because 44398905401 - 2¹⁸ = 44398643257 is a prime.

It is not a weakly prime, because it can be changed into another prime (44398955401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199452700 + 22199452701.

It is an arithmetic number, because the mean of its divisors is an integer number (22199452701).

Almost surely, 2^44398905401 is an apocalyptic number.

It is an amenable number.

44398905401 is a deficient number, since it is larger than the sum of its proper divisors (1).

44398905401 is an equidigital number, since it uses as much as digits as its factorization.

44398905401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 44398905401 in words is "forty-four billion, three hundred ninety-eight million, nine hundred five thousand, four hundred one".