27256633630 has 32 divisors (see below), whose sum is σ = 51974597376. Its totient is φ = 10256054784.

The previous prime is 27256633603. The next prime is 27256633697. The reversal of 27256633630 is 3633665272.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 299347 + ... + 379633.

It is an arithmetic number, because the mean of its divisors is an integer number (1624206168).

Almost surely, 2^27256633630 is an apocalyptic number.

27256633630 is a deficient number, since it is larger than the sum of its proper divisors (24717963746).

27256633630 is a wasteful number, since it uses less digits than its factorization.

27256633630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82308.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 27256633630 in words is "twenty-seven billion, two hundred fifty-six million, six hundred thirty-three thousand, six hundred thirty".