44689090 has 16 divisors (see below), whose sum is σ = 85172472. Its totient is φ = 16824064.

The previous prime is 44689079. The next prime is 44689091. The reversal of 44689090 is 9098644.

44689090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29062881 + 15626209 = 5391^2 + 3953^2 .

It is a super-2 number, since 2×44689090² = 3994229530056200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44689091) 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 7 ways as a sum of consecutive naturals, for example, 131269 + ... + 131608.

Almost surely, 2^44689090 is an apocalyptic number.

44689090 is a deficient number, since it is larger than the sum of its proper divisors (40483382).

44689090 is a wasteful number, since it uses less digits than its factorization.

44689090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262901.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 44689090 is about 6684.9899027598. The cubic root of 44689090 is about 354.8682709034.

The spelling of 44689090 in words is "forty-four million, six hundred eighty-nine thousand, ninety".