41981428 has 6 divisors (see below), whose sum is σ = 73467506. Its totient is φ = 20990712.

The previous prime is 41981413. The next prime is 41981453. The reversal of 41981428 is 82418914.

It can be written as a sum of positive squares in only one way, i.e., 24324624 + 17656804 = 4932^2 + 4202^2 .

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 as a sum of consecutive naturals, namely, 5247675 + ... + 5247682.

Almost surely, 2^41981428 is an apocalyptic number.

It is an amenable number.

41981428 is a deficient number, since it is larger than the sum of its proper divisors (31486078).

41981428 is a wasteful number, since it uses less digits than its factorization.

41981428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495361 (or 10495359 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 41981428 is about 6479.3076790657. The cubic root of 41981428 is about 347.5514214056.

The spelling of 41981428 in words is "forty-one million, nine hundred eighty-one thousand, four hundred twenty-eight".