27642244436 has 24 divisors (see below), whose sum is σ = 48768061440. Its totient is φ = 13708572192.

The previous prime is 27642244417. The next prime is 27642244453. The reversal of 27642244436 is 63444224672.

It is a congruent number.

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, 3558725 + ... + 3566483.

It is an arithmetic number, because the mean of its divisors is an integer number (2032002560).

Almost surely, 2^27642244436 is an apocalyptic number.

It is an amenable number.

27642244436 is a deficient number, since it is larger than the sum of its proper divisors (21125817004).

27642244436 is a wasteful number, since it uses less digits than its factorization.

27642244436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14903 (or 14901 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 44.

The spelling of 27642244436 in words is "twenty-seven billion, six hundred forty-two million, two hundred forty-four thousand, four hundred thirty-six".