18256882142 has 16 divisors (see below), whose sum is σ = 28274273664. Its totient is φ = 8832240000.

The previous prime is 18256882121. The next prime is 18256882153. The reversal of 18256882142 is 24128865281.

It is a congruent number.

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, 323642 + ... + 375842.

It is an arithmetic number, because the mean of its divisors is an integer number (1767142104).

Almost surely, 2^18256882142 is an apocalyptic number.

18256882142 is a deficient number, since it is larger than the sum of its proper divisors (10017391522).

18256882142 is a wasteful number, since it uses less digits than its factorization.

18256882142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57875.

The product of its digits is 491520, while the sum is 47.

The spelling of 18256882142 in words is "eighteen billion, two hundred fifty-six million, eight hundred eighty-two thousand, one hundred forty-two".