27021454132 has 24 divisors (see below), whose sum is σ = 49112219520. Its totient is φ = 12999136320.

The previous prime is 27021454129. The next prime is 27021454133. The reversal of 27021454132 is 23145412072.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27021454094 and 27021454103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27021454133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1206969 + ... + 1229152.

It is an arithmetic number, because the mean of its divisors is an integer number (2046342480).

Almost surely, 2^27021454132 is an apocalyptic number.

It is an amenable number.

27021454132 is a deficient number, since it is larger than the sum of its proper divisors (22090765388).

27021454132 is a wasteful number, since it uses less digits than its factorization.

27021454132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436231 (or 2436229 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 27021454132 in words is "twenty-seven billion, twenty-one million, four hundred fifty-four thousand, one hundred thirty-two".