27473440242 has 16 divisors (see below), whose sum is σ = 54951717600. Its totient is φ = 9157007232.

The previous prime is 27473440237. The next prime is 27473440307. The reversal of 27473440242 is 24204437472.

It is a self number, because there is not a number n which added to its sum of digits gives 27473440242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125503 + ... + 265890.

It is an arithmetic number, because the mean of its divisors is an integer number (3434482350).

Almost surely, 2^27473440242 is an apocalyptic number.

27473440242 is an abundant number, since it is smaller than the sum of its proper divisors (27478277358).

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

27473440242 is a wasteful number, since it uses less digits than its factorization.

27473440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403097.

The product of its (nonzero) digits is 301056, while the sum is 39.

The spelling of 27473440242 in words is "twenty-seven billion, four hundred seventy-three million, four hundred forty thousand, two hundred forty-two".