21132040029 has 16 divisors (see below), whose sum is σ = 28942630080. Its totient is φ = 13704871680.

The previous prime is 21132040021. The next prime is 21132040067. The reversal of 21132040029 is 92004023112.

It is not a de Polignac number, because 21132040029 - 2³ = 21132040021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21132039990 and 21132040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132040021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800757 + ... + 826725.

It is an arithmetic number, because the mean of its divisors is an integer number (1808914380).

Almost surely, 2^21132040029 is an apocalyptic number.

It is an amenable number.

21132040029 is a deficient number, since it is larger than the sum of its proper divisors (7810590051).

21132040029 is a wasteful number, since it uses less digits than its factorization.

21132040029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 21132040029 in words is "twenty-one billion, one hundred thirty-two million, forty thousand, twenty-nine".