41390818812 has 216 divisors, whose sum is σ = 129666700800. Its totient is φ = 11067803712.

The previous prime is 41390818789. The next prime is 41390818813. The reversal of 41390818812 is 21881809314.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41390818813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2774389 + ... + 2789267.

It is an arithmetic number, because the mean of its divisors is an integer number (600308800).

Almost surely, 2^41390818812 is an apocalyptic number.

41390818812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41390818812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64833350400).

41390818812 is an abundant number, since it is smaller than the sum of its proper divisors (88275881988).

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

41390818812 is a wasteful number, since it uses less digits than its factorization.

41390818812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005 (or 14993 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 41390818812 in words is "forty-one billion, three hundred ninety million, eight hundred eighteen thousand, eight hundred twelve".