27405356652 has 36 divisors (see below), whose sum is σ = 69353185720. Its totient is φ = 9124762752.

The previous prime is 27405356633. The next prime is 27405356659. The reversal of 27405356652 is 25665350472.

27405356652 is a `hidden beast` number, since 2 + 7 + 4 + 0 + 535 + 66 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 27405356598 and 27405356607.

It is not an unprimeable number, because it can be changed into a prime (27405356659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399277 + ... + 462852.

Almost surely, 2^27405356652 is an apocalyptic number.

It is an amenable number.

27405356652 is an abundant number, since it is smaller than the sum of its proper divisors (41947829068).

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

27405356652 is a wasteful number, since it uses less digits than its factorization.

27405356652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863022 (or 863017 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 27405356652 in words is "twenty-seven billion, four hundred five million, three hundred fifty-six thousand, six hundred fifty-two".