41811979680 has 288 divisors, whose sum is σ = 154404641664. Its totient is φ = 10664856576.

The previous prime is 41811979667. The next prime is 41811979711. The reversal of 41811979680 is 8697911814.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 870862 + ... + 917618.

It is an arithmetic number, because the mean of its divisors is an integer number (536127228).

Almost surely, 2^41811979680 is an apocalyptic number.

41811979680 is a gapful number since it is divisible by the number (40) 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 41811979680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77202320832).

41811979680 is an abundant number, since it is smaller than the sum of its proper divisors (112592661984).

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

41811979680 is a wasteful number, since it uses less digits than its factorization.

41811979680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810 (or 46790 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 41811979680 in words is "forty-one billion, eight hundred eleven million, nine hundred seventy-nine thousand, six hundred eighty".