21841841076 has 48 divisors (see below), whose sum is σ = 56427248640. Its totient is φ = 6519949920.

The previous prime is 21841841029. The next prime is 21841841113. The reversal of 21841841076 is 67014814812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225996 + ... + 1243683.

It is an arithmetic number, because the mean of its divisors is an integer number (1175567680).

Almost surely, 2^21841841076 is an apocalyptic number.

It is an amenable number.

21841841076 is an abundant number, since it is smaller than the sum of its proper divisors (34585407564).

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

21841841076 is a wasteful number, since it uses less digits than its factorization.

21841841076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469764 (or 2469762 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 21841841076 in words is "twenty-one billion, eight hundred forty-one million, eight hundred forty-one thousand, seventy-six".