21476574432132 has 24 divisors (see below), whose sum is σ = 50161672058400. Its totient is φ = 7151763136896.

The previous prime is 21476574432121. The next prime is 21476574432163. The reversal of 21476574432132 is 23123447567412.

It is a happy number.

It is a super-2 number, since 2×21476574432132² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886863282 + ... + 886887497.

It is an arithmetic number, because the mean of its divisors is an integer number (2090069669100).

Almost surely, 2^{21476574432132} is an apocalyptic number.

It is an amenable number.

21476574432132 is an abundant number, since it is smaller than the sum of its proper divisors (28685097626268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21476574432132 is a wasteful number, since it uses less digits than its factorization.

21476574432132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773751795 (or 1773751793 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 51.

The spelling of 21476574432132 in words is "twenty-one trillion, four hundred seventy-six billion, five hundred seventy-four million, four hundred thirty-two thousand, one hundred thirty-two".