18875281442 has 16 divisors (see below), whose sum is σ = 28438179840. Its totient is φ = 9395980992.

The previous prime is 18875281421. The next prime is 18875281459. The reversal of 18875281442 is 24418257881.

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, 392063 + ... + 437565.

It is an arithmetic number, because the mean of its divisors is an integer number (1777386240).

Almost surely, 2^18875281442 is an apocalyptic number.

18875281442 is a deficient number, since it is larger than the sum of its proper divisors (9562898398).

18875281442 is a wasteful number, since it uses less digits than its factorization.

18875281442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46417.

The product of its digits is 1146880, while the sum is 50.

The spelling of 18875281442 in words is "eighteen billion, eight hundred seventy-five million, two hundred eighty-one thousand, four hundred forty-two".