41400865816 has 32 divisors (see below), whose sum is σ = 82230733440. Its totient is φ = 19473791488.

The previous prime is 41400865777. The next prime is 41400865817. The reversal of 41400865816 is 61856800414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41400865817) 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, 231186 + ... + 369118.

It is an arithmetic number, because the mean of its divisors is an integer number (2569710420).

Almost surely, 2^41400865816 is an apocalyptic number.

It is an amenable number.

41400865816 is a deficient number, since it is larger than the sum of its proper divisors (40829867624).

41400865816 is a wasteful number, since it uses less digits than its factorization.

41400865816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140163 (or 140159 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 41400865816 in words is "forty-one billion, four hundred million, eight hundred sixty-five thousand, eight hundred sixteen".