27261626045 has 16 divisors (see below), whose sum is σ = 33097189680. Its totient is φ = 21554041344.

The previous prime is 27261625931. The next prime is 27261626057. The reversal of 27261626045 is 54062616272.

It can be written as a sum of positive squares in 8 ways, for example, as 6416330404 + 20845295641 = 80102^2 + 144379^2 .

It is a cyclic number.

It is not a de Polignac number, because 27261626045 - 2¹⁰ = 27261625021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27261625993 and 27261626011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007027 + ... + 1033743.

It is an arithmetic number, because the mean of its divisors is an integer number (2068574355).

Almost surely, 2^27261626045 is an apocalyptic number.

It is an amenable number.

27261626045 is a deficient number, since it is larger than the sum of its proper divisors (5835563635).

27261626045 is a wasteful number, since it uses less digits than its factorization.

27261626045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29104.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 27261626045 in words is "twenty-seven billion, two hundred sixty-one million, six hundred twenty-six thousand, forty-five".