40973159 has 4 divisors (see below), whose sum is σ = 40988304. Its totient is φ = 40958016.

The previous prime is 40973131. The next prime is 40973167. The reversal of 40973159 is 95137904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40973159 - 2⁸ = 40972903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40970159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (10247076).

Almost surely, 2^40973159 is an apocalyptic number.

40973159 is a deficient number, since it is larger than the sum of its proper divisors (15145).

40973159 is a wasteful number, since it uses less digits than its factorization.

40973159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15144.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 40973159 is about 6401.0279643195. The cubic root of 40973159 is about 344.7464607836.

The spelling of 40973159 in words is "forty million, nine hundred seventy-three thousand, one hundred fifty-nine".