17800016199042 has 128 divisors (see below), whose sum is σ = 46524377991168. Its totient is φ = 4405717209600.

The previous prime is 17800016199037. The next prime is 17800016199103. The reversal of 17800016199042 is 24099161000871.

It is a junction number, because it is equal to n+sod(n) for n = 17800016198982 and 17800016199000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10112373 + ... + 11741384.

It is an arithmetic number, because the mean of its divisors is an integer number (363471703056).

Almost surely, 2^{17800016199042} is an apocalyptic number.

17800016199042 is an abundant number, since it is smaller than the sum of its proper divisors (28724361792126).

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

17800016199042 is a wasteful number, since it uses less digits than its factorization.

17800016199042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21853864.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 17800016199042 in words is "seventeen trillion, eight hundred billion, sixteen million, one hundred ninety-nine thousand, forty-two".