44089918 has 16 divisors (see below), whose sum is σ = 72018000. Its totient is φ = 20164032.

The previous prime is 44089909. The next prime is 44089931. The reversal of 44089918 is 81998044.

44089918 is a modest number, since divided by 9918 gives 4408 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18903 + ... + 21106.

It is an arithmetic number, because the mean of its divisors is an integer number (4501125).

Almost surely, 2^44089918 is an apocalyptic number.

44089918 is a deficient number, since it is larger than the sum of its proper divisors (27928082).

44089918 is a wasteful number, since it uses less digits than its factorization.

44089918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40059.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 44089918 is about 6640.0239457400. The cubic root of 44089918 is about 353.2751561586.

It can be divided in two parts, 4408 and 9918, that multiplied together give a square (43718544 = 6612²).

The spelling of 44089918 in words is "forty-four million, eighty-nine thousand, nine hundred eighteen".