40989106 has 4 divisors (see below), whose sum is σ = 61483662. Its totient is φ = 20494552.

The previous prime is 40989103. The next prime is 40989107. The reversal of 40989106 is 60198904.

40989106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28676025 + 12313081 = 5355^2 + 3509^2 .

It is not an unprimeable number, because it can be changed into a prime (40989103) 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 as a sum of consecutive naturals, namely, 10247275 + ... + 10247278.

Almost surely, 2^40989106 is an apocalyptic number.

40989106 is a deficient number, since it is larger than the sum of its proper divisors (20494556).

40989106 is a wasteful number, since it uses less digits than its factorization.

40989106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20494555.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 40989106 is about 6402.2735024365. The cubic root of 40989106 is about 344.7911807812.

The spelling of 40989106 in words is "forty million, nine hundred eighty-nine thousand, one hundred six".