27258120436 has 6 divisors (see below), whose sum is σ = 47701710770. Its totient is φ = 13629060216.

The previous prime is 27258120431. The next prime is 27258120443. The reversal of 27258120436 is 63402185272.

It can be written as a sum of positive squares in only one way, i.e., 27208502500 + 49617936 = 164950^2 + 7044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27258120431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407265051 + ... + 3407265058.

Almost surely, 2^27258120436 is an apocalyptic number.

It is an amenable number.

27258120436 is a deficient number, since it is larger than the sum of its proper divisors (20443590334).

27258120436 is a wasteful number, since it uses less digits than its factorization.

27258120436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814530113 (or 6814530111 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 27258120436 in words is "twenty-seven billion, two hundred fifty-eight million, one hundred twenty thousand, four hundred thirty-six".