44573897890 has 8 divisors (see below), whose sum is σ = 80233016220. Its totient is φ = 17829559152.

The previous prime is 44573897867. The next prime is 44573897899. The reversal of 44573897890 is 9879837544.

It can be written as a sum of positive squares in 2 ways, for example, as 43815281041 + 758616849 = 209321^2 + 27543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (44573897899) 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 3 ways as a sum of consecutive naturals, for example, 2228694885 + ... + 2228694904.

Almost surely, 2^44573897890 is an apocalyptic number.

44573897890 is a deficient number, since it is larger than the sum of its proper divisors (35659118330).

44573897890 is a wasteful number, since it uses less digits than its factorization.

44573897890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457389796.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 44573897890 in words is "forty-four billion, five hundred seventy-three million, eight hundred ninety-seven thousand, eight hundred ninety".