21926480410 has 8 divisors (see below), whose sum is σ = 39467664756. Its totient is φ = 8770592160.

The previous prime is 21926480393. The next prime is 21926480437. The reversal of 21926480410 is 1408462912.

It can be written as a sum of positive squares in 2 ways, for example, as 20600573841 + 1325906569 = 143529^2 + 36413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21926480410² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21926480410.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096324011 + ... + 1096324030.

Almost surely, 2^21926480410 is an apocalyptic number.

21926480410 is a deficient number, since it is larger than the sum of its proper divisors (17541184346).

21926480410 is a wasteful number, since it uses less digits than its factorization.

21926480410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192648048.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 21926480410 in words is "twenty-one billion, nine hundred twenty-six million, four hundred eighty thousand, four hundred ten".