27940402633 has 16 divisors (see below), whose sum is σ = 34552728000. Its totient is φ = 22212463680.

The previous prime is 27940402601. The next prime is 27940402639. The reversal of 27940402633 is 33620404972.

It is not a de Polignac number, because 27940402633 - 2⁵ = 27940402601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27940402639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5139058 + ... + 5144491.

It is an arithmetic number, because the mean of its divisors is an integer number (2159545500).

Almost surely, 2^27940402633 is an apocalyptic number.

It is an amenable number.

27940402633 is a deficient number, since it is larger than the sum of its proper divisors (6612325367).

27940402633 is a wasteful number, since it uses less digits than its factorization.

27940402633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283592.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 27940402633 in words is "twenty-seven billion, nine hundred forty million, four hundred two thousand, six hundred thirty-three".