27143680890 has 16 divisors (see below), whose sum is σ = 65144834208. Its totient is φ = 7238314896.

The previous prime is 27143680871. The next prime is 27143680903. The reversal of 27143680890 is 9808634172.

It is a super-4 number, since 4×27143680890⁴ (a number of 43 digits) contains 4444 as substring.

It is a Curzon number.

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, 452394652 + ... + 452394711.

It is an arithmetic number, because the mean of its divisors is an integer number (4071552138).

Almost surely, 2^27143680890 is an apocalyptic number.

27143680890 is an abundant number, since it is smaller than the sum of its proper divisors (38001153318).

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

27143680890 is a wasteful number, since it uses less digits than its factorization.

27143680890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904789373.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 27143680890 in words is "twenty-seven billion, one hundred forty-three million, six hundred eighty thousand, eight hundred ninety".