41897866656 has 144 divisors (see below), whose sum is σ = 113275060416. Its totient is φ = 13559390208.

The previous prime is 41897866649. The next prime is 41897866679. The reversal of 41897866656 is 65666879814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34257661 + ... + 34258883.

It is an arithmetic number, because the mean of its divisors is an integer number (786632364).

Almost surely, 2^41897866656 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 41897866656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56637530208).

41897866656 is an abundant number, since it is smaller than the sum of its proper divisors (71377193760).

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

41897866656 is a wasteful number, since it uses less digits than its factorization.

41897866656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1464 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 66.

The spelling of 41897866656 in words is "forty-one billion, eight hundred ninety-seven million, eight hundred sixty-six thousand, six hundred fifty-six".