27393256442 has 16 divisors (see below), whose sum is σ = 43536157992. Its totient is φ = 12882286080.

The previous prime is 27393256433. The next prime is 27393256447. The reversal of 27393256442 is 24465239372.

It can be written as a sum of positive squares in 4 ways, for example, as 27364107241 + 29149201 = 165421^2 + 5399^2 .

It is not an unprimeable number, because it can be changed into a prime (27393256447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219059 + ... + 320582.

Almost surely, 2^27393256442 is an apocalyptic number.

27393256442 is a deficient number, since it is larger than the sum of its proper divisors (16142901550).

27393256442 is a wasteful number, since it uses less digits than its factorization.

27393256442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541153.

The product of its digits is 2177280, while the sum is 47.

The spelling of 27393256442 in words is "twenty-seven billion, three hundred ninety-three million, two hundred fifty-six thousand, four hundred forty-two".