41158647638 has 4 divisors (see below), whose sum is σ = 61737971460. Its totient is φ = 20579323818.

The previous prime is 41158647631. The next prime is 41158647661. The reversal of 41158647638 is 83674685114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83674685114 = 2 ⋅41837342557.

It is a self number, because there is not a number n which added to its sum of digits gives 41158647638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41158647631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10289661908 + ... + 10289661911.

It is an arithmetic number, because the mean of its divisors is an integer number (15434492865).

Almost surely, 2^41158647638 is an apocalyptic number.

41158647638 is a deficient number, since it is larger than the sum of its proper divisors (20579323822).

41158647638 is a wasteful number, since it uses less digits than its factorization.

41158647638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20579323821.

The product of its digits is 3870720, while the sum is 53.

The spelling of 41158647638 in words is "forty-one billion, one hundred fifty-eight million, six hundred forty-seven thousand, six hundred thirty-eight".