41299209856 has 128 divisors (see below), whose sum is σ = 89810265600. Its totient is φ = 18844876800.

The previous prime is 41299209827. The next prime is 41299209877. The reversal of 41299209856 is 65890299214.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 41299209797 and 41299209806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18168336 + ... + 18170608.

It is an arithmetic number, because the mean of its divisors is an integer number (701642700).

Almost surely, 2^41299209856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41299209856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44905132800).

41299209856 is an abundant number, since it is smaller than the sum of its proper divisors (48511055744).

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

41299209856 is a wasteful number, since it uses less digits than its factorization.

41299209856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 41299209856 in words is "forty-one billion, two hundred ninety-nine million, two hundred nine thousand, eight hundred fifty-six".