841198849920 has 3072 divisors, whose sum is σ = 3948627916800. Its totient is φ = 166418841600.

The previous prime is 841198849891. The next prime is 841198849921. The reversal of 841198849920 is 29948891148.

841198849920 is a `hidden beast` number, since 8 + 4 + 119 + 8 + 8 + 499 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841198849921) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 20517045100 + ... + 20517045140.

It is an arithmetic number, because the mean of its divisors is an integer number (1285360650).

Almost surely, 2^841198849920 is an apocalyptic number.

841198849920 is a gapful number since it is divisible by the number (80) 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 841198849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974313958400).

841198849920 is an abundant number, since it is smaller than the sum of its proper divisors (3107429066880).

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

841198849920 is a wasteful number, since it uses less digits than its factorization.

841198849920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The spelling of 841198849920 in words is "eight hundred forty-one billion, one hundred ninety-eight million, eight hundred forty-nine thousand, nine hundred twenty".