41989798656 has 360 divisors, whose sum is σ = 137428053840. Its totient is φ = 12671852544.

The previous prime is 41989798597. The next prime is 41989798693. The reversal of 41989798656 is 65689798914.

41989798656 is a `hidden beast` number, since 419 + 89 + 7 + 9 + 86 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14285635 + ... + 14288573.

It is an arithmetic number, because the mean of its divisors is an integer number (381744594).

Almost surely, 2^41989798656 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 41989798656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68714026920).

41989798656 is an abundant number, since it is smaller than the sum of its proper divisors (95438255184).

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

41989798656 is a wasteful number, since it uses less digits than its factorization.

41989798656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3010 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 72.

The spelling of 41989798656 in words is "forty-one billion, nine hundred eighty-nine million, seven hundred ninety-eight thousand, six hundred fifty-six".