27404212132 has 72 divisors (see below), whose sum is σ = 55139450688. Its totient is φ = 11885839680.

The previous prime is 27404212127. The next prime is 27404212139. The reversal of 27404212132 is 23121240472.

It is a self number, because there is not a number n which added to its sum of digits gives 27404212132.

It is not an unprimeable number, because it can be changed into a prime (27404212139) 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 23 ways as a sum of consecutive naturals, for example, 4928698 + ... + 4934254.

It is an arithmetic number, because the mean of its divisors is an integer number (765825704).

Almost surely, 2^27404212132 is an apocalyptic number.

27404212132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27404212132 is an abundant number, since it is smaller than the sum of its proper divisors (27735238556).

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

27404212132 is a wasteful number, since it uses less digits than its factorization.

27404212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049 (or 6036 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 27404212132 in words is "twenty-seven billion, four hundred four million, two hundred twelve thousand, one hundred thirty-two".