27412280644 has 24 divisors (see below), whose sum is σ = 54836873280. Its totient is φ = 11745482016.

The previous prime is 27412280633. The next prime is 27412280713. The reversal of 27412280644 is 44608221472.

It is a junction number, because it is equal to n+sod(n) for n = 27412280597 and 27412280606.

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, 19662 + ... + 234970.

It is an arithmetic number, because the mean of its divisors is an integer number (2284869720).

Almost surely, 2^27412280644 is an apocalyptic number.

It is an amenable number.

27412280644 is an abundant number, since it is smaller than the sum of its proper divisors (27424592636).

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

27412280644 is a wasteful number, since it uses less digits than its factorization.

27412280644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219867 (or 219865 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 27412280644 in words is "twenty-seven billion, four hundred twelve million, two hundred eighty thousand, six hundred forty-four".