21846541104 has 100 divisors (see below), whose sum is σ = 63347878264. Its totient is φ = 7268631552.

The previous prime is 21846541103. The next prime is 21846541127. The reversal of 21846541104 is 40114564812.

21846541104 is a `hidden beast` number, since 2 + 1 + 8 + 4 + 6 + 541 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (21846541103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 693504 + ... + 724320.

Almost surely, 2^21846541104 is an apocalyptic number.

21846541104 is a gapful number since it is divisible by the number (24) 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 21846541104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31673939132).

21846541104 is an abundant number, since it is smaller than the sum of its proper divisors (41501337160).

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

21846541104 is a wasteful number, since it uses less digits than its factorization.

21846541104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31384 (or 31369 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 21846541104 in words is "twenty-one billion, eight hundred forty-six million, five hundred forty-one thousand, one hundred four".