40958159 has 4 divisors (see below), whose sum is σ = 44681640. Its totient is φ = 37234680.

The previous prime is 40958131. The next prime is 40958171. The reversal of 40958159 is 95185904.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40958159 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 (40958189) 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, 1861724 + ... + 1861745.

It is an arithmetic number, because the mean of its divisors is an integer number (11170410).

Almost surely, 2^40958159 is an apocalyptic number.

40958159 is a deficient number, since it is larger than the sum of its proper divisors (3723481).

40958159 is a wasteful number, since it uses less digits than its factorization.

40958159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723480.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 40958159 is about 6399.8561702588. The cubic root of 40958159 is about 344.7043858560.

The spelling of 40958159 in words is "forty million, nine hundred fifty-eight thousand, one hundred fifty-nine".