27227118542 has 16 divisors (see below), whose sum is σ = 45055008432. Its totient is φ = 12259865280.

The previous prime is 27227118521. The next prime is 27227118547. The reversal of 27227118542 is 24581172272.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 27227118542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27227118547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12769628 + ... + 12771759.

It is an arithmetic number, because the mean of its divisors is an integer number (2815938027).

Almost surely, 2^27227118542 is an apocalyptic number.

27227118542 is a deficient number, since it is larger than the sum of its proper divisors (17827889890).

27227118542 is a wasteful number, since it uses less digits than its factorization.

27227118542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541443.

The product of its digits is 125440, while the sum is 41.

The spelling of 27227118542 in words is "twenty-seven billion, two hundred twenty-seven million, one hundred eighteen thousand, five hundred forty-two".