27691180402 has 16 divisors (see below), whose sum is σ = 41699074752. Its totient is φ = 13791525840.

The previous prime is 27691180369. The next prime is 27691180411. The reversal of 27691180402 is 20408119672.

It is a super-2 number, since 2×27691180402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843908 + ... + 1858864.

It is an arithmetic number, because the mean of its divisors is an integer number (2606192172).

Almost surely, 2^27691180402 is an apocalyptic number.

27691180402 is a deficient number, since it is larger than the sum of its proper divisors (14007894350).

27691180402 is a wasteful number, since it uses less digits than its factorization.

27691180402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18513.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 27691180402 in words is "twenty-seven billion, six hundred ninety-one million, one hundred eighty thousand, four hundred two".