18271260842 has 8 divisors (see below), whose sum is σ = 27792904032. Its totient is φ = 9006959500.

The previous prime is 18271260817. The next prime is 18271260883. The reversal of 18271260842 is 24806217281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18271260842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64335284 + ... + 64335567.

It is an arithmetic number, because the mean of its divisors is an integer number (3474113004).

Almost surely, 2^18271260842 is an apocalyptic number.

18271260842 is a deficient number, since it is larger than the sum of its proper divisors (9521643190).

18271260842 is a wasteful number, since it uses less digits than its factorization.

18271260842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128670924.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 18271260842 in words is "eighteen billion, two hundred seventy-one million, two hundred sixty thousand, eight hundred forty-two".