21412026632 has 48 divisors (see below), whose sum is σ = 41217709380. Its totient is φ = 10427880960.

The previous prime is 21412026607. The next prime is 21412026637. The reversal of 21412026632 is 23662021412.

It can be written as a sum of positive squares in 6 ways, for example, as 1438988356 + 19973038276 = 37934^2 + 141326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21412026595 and 21412026604.

It is not an unprimeable number, because it can be changed into a prime (21412026637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13406858 + ... + 13408454.

Almost surely, 2^21412026632 is an apocalyptic number.

It is an amenable number.

21412026632 is a deficient number, since it is larger than the sum of its proper divisors (19805682748).

21412026632 is a wasteful number, since it uses less digits than its factorization.

21412026632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 21412026632 in words is "twenty-one billion, four hundred twelve million, twenty-six thousand, six hundred thirty-two".