41638323257 has 8 divisors (see below), whose sum is σ = 43145984640. Its totient is φ = 40155176880.

The previous prime is 41638323211. The next prime is 41638323317. The reversal of 41638323257 is 75232383614.

It is a happy number.

41638323257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41638323257 - 2²⁴ = 41621546041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41638323457) 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, 6125294 + ... + 6132087.

It is an arithmetic number, because the mean of its divisors is an integer number (5393248080).

Almost surely, 2^41638323257 is an apocalyptic number.

It is an amenable number.

41638323257 is a deficient number, since it is larger than the sum of its proper divisors (1507661383).

41638323257 is a wasteful number, since it uses less digits than its factorization.

41638323257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12257503.

The product of its digits is 725760, while the sum is 44.

The spelling of 41638323257 in words is "forty-one billion, six hundred thirty-eight million, three hundred twenty-three thousand, two hundred fifty-seven".