27680426500 has 48 divisors (see below), whose sum is σ = 60472129536. Its totient is φ = 11068860000.

The previous prime is 27680426497. The next prime is 27680426513. The reversal of 27680426500 is 562408672.

It is a super-2 number, since 2×27680426500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319549 + ... + 2331451.

It is an arithmetic number, because the mean of its divisors is an integer number (1259836032).

Almost surely, 2^27680426500 is an apocalyptic number.

27680426500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27680426500 is an abundant number, since it is smaller than the sum of its proper divisors (32791703036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27680426500 is a wasteful number, since it uses less digits than its factorization.

27680426500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16573 (or 16561 counting only the distinct ones).

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

The spelling of 27680426500 in words is "twenty-seven billion, six hundred eighty million, four hundred twenty-six thousand, five hundred".