41400865812 has 48 divisors (see below), whose sum is σ = 100884954240. Its totient is φ = 13189427328.

The previous prime is 41400865777. The next prime is 41400865817. The reversal of 41400865812 is 21856800414.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 278178 + ... + 400230.

It is an arithmetic number, because the mean of its divisors is an integer number (2101769880).

Almost surely, 2^41400865812 is an apocalyptic number.

It is an amenable number.

41400865812 is an abundant number, since it is smaller than the sum of its proper divisors (59484088428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41400865812 is a wasteful number, since it uses less digits than its factorization.

41400865812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123312 (or 123310 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 41400865812 in words is "forty-one billion, four hundred million, eight hundred sixty-five thousand, eight hundred twelve".