21632241410 has 32 divisors (see below), whose sum is σ = 41940203760. Its totient is φ = 7985968128.

The previous prime is 21632241403. The next prime is 21632241443. The reversal of 21632241410 is 1414223612.

It can be written as a sum of positive squares in 8 ways, for example, as 1547399569 + 20084841841 = 39337^2 + 141721^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 21632241410.

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, 1156694 + ... + 1175246.

Almost surely, 2^21632241410 is an apocalyptic number.

21632241410 is a deficient number, since it is larger than the sum of its proper divisors (20307962350).

21632241410 is a wasteful number, since it uses less digits than its factorization.

21632241410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27542.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 21632241410 in words is "twenty-one billion, six hundred thirty-two million, two hundred forty-one thousand, four hundred ten".