44730981009 has 243 divisors, whose sum is σ = 84606282579. Its totient is φ = 22740157440.

The previous prime is 44730980977. The next prime is 44730981011. The reversal of 44730981009 is 90018903744.

The square root of 44730981009 is 211497.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 25521021009 + 19209960000 = 159753^2 + 138600^2 .

It is not a de Polignac number, because 44730981009 - 2⁵ = 44730980977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44730981209) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 1542447607 + ... + 1542447635.

Almost surely, 2^44730981009 is an apocalyptic number.

44730981009 is the 211497-th square number.

44730981009 is the 105749-th centered octagonal number.

It is an amenable number.

44730981009 is a deficient number, since it is larger than the sum of its proper divisors (39875301570).

44730981009 is a wasteful number, since it uses less digits than its factorization.

44730981009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 44730981009 in words is "forty-four billion, seven hundred thirty million, nine hundred eighty-one thousand, nine".