27449816980 has 24 divisors (see below), whose sum is σ = 57653279712. Its totient is φ = 10978276512.

The previous prime is 27449816963. The next prime is 27449816981. The reversal of 27449816980 is 8961894472.

It is a super-3 number, since 3×27449816980³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27449816981) 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, 37959 + ... + 237361.

It is an arithmetic number, because the mean of its divisors is an integer number (2402219988).

Almost surely, 2^27449816980 is an apocalyptic number.

27449816980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27449816980 is an abundant number, since it is smaller than the sum of its proper divisors (30203462732).

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

27449816980 is a wasteful number, since it uses less digits than its factorization.

27449816980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206295 (or 206293 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 27449816980 in words is "twenty-seven billion, four hundred forty-nine million, eight hundred sixteen thousand, nine hundred eighty".