27385202542 has 4 divisors (see below), whose sum is σ = 41077803816. Its totient is φ = 13692601270.

The previous prime is 27385202489. The next prime is 27385202587. The reversal of 27385202542 is 24520258372.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27385202495 and 27385202504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6846300634 + ... + 6846300637.

It is an arithmetic number, because the mean of its divisors is an integer number (10269450954).

Almost surely, 2^27385202542 is an apocalyptic number.

27385202542 is a deficient number, since it is larger than the sum of its proper divisors (13692601274).

27385202542 is a wasteful number, since it uses less digits than its factorization.

27385202542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692601273.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 27385202542 in words is "twenty-seven billion, three hundred eighty-five million, two hundred two thousand, five hundred forty-two".