27657140430 has 64 divisors (see below), whose sum is σ = 69890883840. Its totient is φ = 6985046016.

The previous prime is 27657140429. The next prime is 27657140453. The reversal of 27657140430 is 3404175672.

It is a congruent number.

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, 3508974 + ... + 3516846.

It is an arithmetic number, because the mean of its divisors is an integer number (1092045060).

Almost surely, 2^27657140430 is an apocalyptic number.

27657140430 is an abundant number, since it is smaller than the sum of its proper divisors (42233743410).

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

27657140430 is a wasteful number, since it uses less digits than its factorization.

27657140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14065.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 27657140430 in words is "twenty-seven billion, six hundred fifty-seven million, one hundred forty thousand, four hundred thirty".