21724441725050 has 48 divisors (see below), whose sum is σ = 41533492079232. Its totient is φ = 8448003720000.

The previous prime is 21724441725037. The next prime is 21724441725089. The reversal of 21724441725050 is 5052714442712.

It is a junction number, because it is equal to n+sod(n) for n = 21724441724992 and 21724441725010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2538326 + ... + 7063425.

It is an arithmetic number, because the mean of its divisors is an integer number (865281084984).

Almost surely, 2^{21724441725050} is an apocalyptic number.

21724441725050 is a deficient number, since it is larger than the sum of its proper divisors (19809050354182).

21724441725050 is a wasteful number, since it uses less digits than its factorization.

21724441725050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9603023 (or 9603018 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 44.

The spelling of 21724441725050 in words is "twenty-one trillion, seven hundred twenty-four billion, four hundred forty-one million, seven hundred twenty-five thousand, fifty".