541891823880 has 256 divisors, whose sum is σ = 1888174229760. Its totient is φ = 122956185600.

The previous prime is 541891823861. The next prime is 541891823881. The reversal of 541891823880 is 88328198145.

It is a self number, because there is not a number n which added to its sum of digits gives 541891823880.

It is not an unprimeable number, because it can be changed into a prime (541891823881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3994932 + ... + 4128348.

It is an arithmetic number, because the mean of its divisors is an integer number (7375680585).

Almost surely, 2^541891823880 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 541891823880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944087114880).

541891823880 is an abundant number, since it is smaller than the sum of its proper divisors (1346282405880).

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

541891823880 is a wasteful number, since it uses less digits than its factorization.

541891823880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133640 (or 133636 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 57.

The spelling of 541891823880 in words is "five hundred forty-one billion, eight hundred ninety-one million, eight hundred twenty-three thousand, eight hundred eighty".