18042525982 has 8 divisors (see below), whose sum is σ = 29145618936. Its totient is φ = 8327319672.

The previous prime is 18042525953. The next prime is 18042525997. The reversal of 18042525982 is 28952524081.

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

It is a super-2 number, since 2×18042525982² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346971628 + ... + 346971679.

It is an arithmetic number, because the mean of its divisors is an integer number (3643202367).

Almost surely, 2^18042525982 is an apocalyptic number.

18042525982 is a deficient number, since it is larger than the sum of its proper divisors (11103092954).

18042525982 is a wasteful number, since it uses less digits than its factorization.

18042525982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693943322.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 18042525982 in words is "eighteen billion, forty-two million, five hundred twenty-five thousand, nine hundred eighty-two".