18410917842 has 96 divisors (see below), whose sum is σ = 42530866560. Its totient is φ = 5966835840.

The previous prime is 18410917823. The next prime is 18410917853. The reversal of 18410917842 is 24871901481.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2515284 + ... + 2522592.

It is an arithmetic number, because the mean of its divisors is an integer number (443029860).

Almost surely, 2^18410917842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18410917842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21265433280).

18410917842 is an abundant number, since it is smaller than the sum of its proper divisors (24119948718).

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

18410917842 is an equidigital number, since it uses as much as digits as its factorization.

18410917842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470 (or 7458 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 18410917842 in words is "eighteen billion, four hundred ten million, nine hundred seventeen thousand, eight hundred forty-two".