27490775752 has 32 divisors (see below), whose sum is σ = 59538849120. Its totient is φ = 11760759040.

The previous prime is 27490775747. The next prime is 27490775761. The reversal of 27490775752 is 25757709472.

It is a junction number, because it is equal to n+sod(n) for n = 27490775693 and 27490775702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9186598 + ... + 9189589.

It is an arithmetic number, because the mean of its divisors is an integer number (1860589035).

Almost surely, 2^27490775752 is an apocalyptic number.

27490775752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27490775752 is an abundant number, since it is smaller than the sum of its proper divisors (32048073368).

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

27490775752 is a wasteful number, since it uses less digits than its factorization.

27490775752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376221 (or 18376217 counting only the distinct ones).

The product of its (nonzero) digits is 8643600, while the sum is 55.

The spelling of 27490775752 in words is "twenty-seven billion, four hundred ninety million, seven hundred seventy-five thousand, seven hundred fifty-two".