27450143476 has 12 divisors (see below), whose sum is σ = 54900287008. Its totient is φ = 11764347192.

The previous prime is 27450143443. The next prime is 27450143549. The reversal of 27450143476 is 67434105472.

27450143476 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 490181106 + ... + 490181161.

Almost surely, 2^27450143476 is an apocalyptic number.

It is an amenable number.

27450143476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27450143476 is a wasteful number, since it uses less digits than its factorization.

27450143476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980362278 (or 980362276 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 27450143476 in words is "twenty-seven billion, four hundred fifty million, one hundred forty-three thousand, four hundred seventy-six".