41811971728 has 40 divisors (see below), whose sum is σ = 82711546400. Its totient is φ = 20471180544.

The previous prime is 41811971723. The next prime is 41811971771. The reversal of 41811971728 is 82717911814.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (41811971723) 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, 33583 + ... + 291121.

It is an arithmetic number, because the mean of its divisors is an integer number (2067788660).

Almost surely, 2^41811971728 is an apocalyptic number.

It is an amenable number.

41811971728 is a deficient number, since it is larger than the sum of its proper divisors (40899574672).

41811971728 is a wasteful number, since it uses less digits than its factorization.

41811971728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257759 (or 257753 counting only the distinct ones).

The product of its digits is 225792, while the sum is 49.

The spelling of 41811971728 in words is "forty-one billion, eight hundred eleven million, nine hundred seventy-one thousand, seven hundred twenty-eight".