40159306 has 16 divisors (see below), whose sum is σ = 66322080. Its totient is φ = 18085680.

The previous prime is 40159303. The next prime is 40159307. The reversal of 40159306 is 60395104.

It is a super-2 number, since 2×40159306² = 3225539716803272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40159303) 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, 5976 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (4145130).

Almost surely, 2^40159306 is an apocalyptic number.

40159306 is a deficient number, since it is larger than the sum of its proper divisors (26162774).

40159306 is a wasteful number, since it uses less digits than its factorization.

40159306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 40159306 is about 6337.1370507509. The cubic root of 40159306 is about 342.4486036504.

The spelling of 40159306 in words is "forty million, one hundred fifty-nine thousand, three hundred six".