40068829 has 8 divisors (see below), whose sum is σ = 41909760. Its totient is φ = 38236176.

The previous prime is 40068827. The next prime is 40068841. The reversal of 40068829 is 92886004.

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 40068829 - 2¹ = 40068827 is a prime.

It is a super-2 number, since 2×40068829² = 3211022114862482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40068827) 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, 9199 + ... + 12835.

It is an arithmetic number, because the mean of its divisors is an integer number (5238720).

Almost surely, 2^40068829 is an apocalyptic number.

It is an amenable number.

40068829 is a deficient number, since it is larger than the sum of its proper divisors (1840931).

40068829 is a wasteful number, since it uses less digits than its factorization.

40068829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 40068829 is about 6329.9943917827. The cubic root of 40068829 is about 342.1912368211.

The spelling of 40068829 in words is "forty million, sixty-eight thousand, eight hundred twenty-nine".