40241289 has 8 divisors (see below), whose sum is σ = 58532832. Its totient is φ = 24388640.

The previous prime is 40241263. The next prime is 40241293. The reversal of 40241289 is 98214204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40241289 - 2⁷ = 40241161 is a prime.

It is a super-2 number, since 2×40241289² = 3238722680763042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40241209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609684 + ... + 609749.

It is an arithmetic number, because the mean of its divisors is an integer number (7316604).

Almost surely, 2^40241289 is an apocalyptic number.

It is an amenable number.

40241289 is a deficient number, since it is larger than the sum of its proper divisors (18291543).

40241289 is a wasteful number, since it uses less digits than its factorization.

40241289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219447.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40241289 is about 6343.6022101011. The cubic root of 40241289 is about 342.6814752130.

The spelling of 40241289 in words is "forty million, two hundred forty-one thousand, two hundred eighty-nine".