27726680444 has 6 divisors (see below), whose sum is σ = 48521690784. Its totient is φ = 13863340220.

The previous prime is 27726680407. The next prime is 27726680447. The reversal of 27726680444 is 44408662772.

It is a junction number, because it is equal to n+sod(n) for n = 27726680392 and 27726680401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726680447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465835052 + ... + 3465835059.

It is an arithmetic number, because the mean of its divisors is an integer number (8086948464).

Almost surely, 2^27726680444 is an apocalyptic number.

It is an amenable number.

27726680444 is a deficient number, since it is larger than the sum of its proper divisors (20795010340).

27726680444 is a wasteful number, since it uses less digits than its factorization.

27726680444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931670115 (or 6931670113 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 27726680444 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred eighty thousand, four hundred forty-four".