44040490218 has 48 divisors (see below), whose sum is σ = 97803558216. Its totient is φ = 14314030080.

The previous prime is 44040490217. The next prime is 44040490243. The reversal of 44040490218 is 81209404044.

It can be written as a sum of positive squares in 4 ways, for example, as 34463323449 + 9577166769 = 185643^2 + 97863^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44040490213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1369330 + ... + 1401122.

Almost surely, 2^44040490218 is an apocalyptic number.

44040490218 is an abundant number, since it is smaller than the sum of its proper divisors (53763067998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44040490218 is a wasteful number, since it uses less digits than its factorization.

44040490218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33719 (or 33716 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 44040490218 in words is "forty-four billion, forty million, four hundred ninety thousand, two hundred eighteen".