27138588044 has 48 divisors (see below), whose sum is σ = 52036911360. Its totient is φ = 12328519680.

The previous prime is 27138588031. The next prime is 27138588067. The reversal of 27138588044 is 44088583172.

It is a super-2 number, since 2×27138588044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27138587983 and 27138588001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846434 + ... + 877910.

It is an arithmetic number, because the mean of its divisors is an integer number (1084102320).

Almost surely, 2^27138588044 is an apocalyptic number.

It is an amenable number.

27138588044 is a deficient number, since it is larger than the sum of its proper divisors (24898323316).

27138588044 is a wasteful number, since it uses less digits than its factorization.

27138588044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31938 (or 31936 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 27138588044 in words is "twenty-seven billion, one hundred thirty-eight million, five hundred eighty-eight thousand, forty-four".