27040384878474 has 48 divisors (see below), whose sum is σ = 59578338034656. Its totient is φ = 8175559186080.

The previous prime is 27040384878473. The next prime is 27040384878491. The reversal of 27040384878474 is 47487848304072.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (27040384878473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41716429 + ... + 42359664.

It is an arithmetic number, because the mean of its divisors is an integer number (1241215375722).

Almost surely, 2^{27040384878474} is an apocalyptic number.

27040384878474 is an abundant number, since it is smaller than the sum of its proper divisors (32537953156182).

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

27040384878474 is a wasteful number, since it uses less digits than its factorization.

27040384878474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84076563 (or 84076552 counting only the distinct ones).

The product of its (nonzero) digits is 269746176, while the sum is 66.

The spelling of 27040384878474 in words is "twenty-seven trillion, forty billion, three hundred eighty-four million, eight hundred seventy-eight thousand, four hundred seventy-four".