40289841 has 12 divisors (see below), whose sum is σ = 58414720. Its totient is φ = 26759160.

The previous prime is 40289833. The next prime is 40289867. The reversal of 40289841 is 14898204.

It is not a de Polignac number, because 40289841 - 2³ = 40289833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40289796 and 40289805.

It is not an unprimeable number, because it can be changed into a prime (40289891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5821 + ... + 10698.

Almost surely, 2^40289841 is an apocalyptic number.

It is an amenable number.

40289841 is a deficient number, since it is larger than the sum of its proper divisors (18124879).

40289841 is a wasteful number, since it uses less digits than its factorization.

40289841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796 (or 16793 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 40289841 is about 6347.4279042774. The cubic root of 40289841 is about 342.8192374017.

The spelling of 40289841 in words is "forty million, two hundred eighty-nine thousand, eight hundred forty-one".