40568969 has 8 divisors (see below), whose sum is σ = 47057088. Its totient is φ = 34254000.

The previous prime is 40568963. The next prime is 40568977. The reversal of 40568969 is 96986504.

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 40568969 - 2¹⁶ = 40503433 is a prime.

It is a super-2 number, since 2×40568969² = 3291682491445922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40568963) 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, 42782 + ... + 43719.

It is an arithmetic number, because the mean of its divisors is an integer number (5882136).

Almost surely, 2^40568969 is an apocalyptic number.

It is an amenable number.

40568969 is a deficient number, since it is larger than the sum of its proper divisors (6488119).

40568969 is an equidigital number, since it uses as much as digits as its factorization.

40568969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86575.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 40568969 is about 6369.3774421053. The cubic root of 40568969 is about 343.6090999843.

The spelling of 40568969 in words is "forty million, five hundred sixty-eight thousand, nine hundred sixty-nine".