18032490042 has 32 divisors (see below), whose sum is σ = 41397129600. Its totient is φ = 5129638848.

The previous prime is 18032490017. The next prime is 18032490137. The reversal of 18032490042 is 24009423081.

It is a super-2 number, since 2×18032490042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18032489985 and 18032490012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927817 + ... + 947052.

It is an arithmetic number, because the mean of its divisors is an integer number (1293660300).

Almost surely, 2^18032490042 is an apocalyptic number.

18032490042 is an abundant number, since it is smaller than the sum of its proper divisors (23364639558).

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

18032490042 is a wasteful number, since it uses less digits than its factorization.

18032490042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875110.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 18032490042 in words is "eighteen billion, thirty-two million, four hundred ninety thousand, forty-two".