44402354545 has 16 divisors (see below), whose sum is σ = 53484797520. Its totient is φ = 35387449344.

The previous prime is 44402354543. The next prime is 44402354597. The reversal of 44402354545 is 54545320444.

It can be written as a sum of positive squares in 8 ways, for example, as 13005349681 + 31397004864 = 114041^2 + 177192^2 .

It is a cyclic number.

It is not a de Polignac number, because 44402354545 - 2¹ = 44402354543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44402354498 and 44402354507.

It is not an unprimeable number, because it can be changed into a prime (44402354543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734801 + ... + 1760209.

It is an arithmetic number, because the mean of its divisors is an integer number (3342799845).

Almost surely, 2^44402354545 is an apocalyptic number.

It is an amenable number.

44402354545 is a deficient number, since it is larger than the sum of its proper divisors (9082442975).

44402354545 is a wasteful number, since it uses less digits than its factorization.

44402354545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26724.

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 44402354545 its reverse (54545320444), we get a palindrome (98947674989).

The spelling of 44402354545 in words is "forty-four billion, four hundred two million, three hundred fifty-four thousand, five hundred forty-five".