27255640602 has 64 divisors (see below), whose sum is σ = 57474966528. Its totient is φ = 8607984000.

The previous prime is 27255640583. The next prime is 27255640613. The reversal of 27255640602 is 20604655272.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1158577 + ... + 1181867.

It is an arithmetic number, because the mean of its divisors is an integer number (898046352).

Almost surely, 2^27255640602 is an apocalyptic number.

27255640602 is an abundant number, since it is smaller than the sum of its proper divisors (30219325926).

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

27255640602 is a wasteful number, since it uses less digits than its factorization.

27255640602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23475.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 27255640602 in words is "twenty-seven billion, two hundred fifty-five million, six hundred forty thousand, six hundred two".