18043402870 has 8 divisors (see below), whose sum is σ = 32478125184. Its totient is φ = 7217361144.

The previous prime is 18043402859. The next prime is 18043402873. The reversal of 18043402870 is 7820434081.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18043402873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902170134 + ... + 902170153.

It is an arithmetic number, because the mean of its divisors is an integer number (4059765648).

Almost surely, 2^18043402870 is an apocalyptic number.

18043402870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18043402870 is a deficient number, since it is larger than the sum of its proper divisors (14434722314).

18043402870 is a wasteful number, since it uses less digits than its factorization.

18043402870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804340294.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 18043402870 in words is "eighteen billion, forty-three million, four hundred two thousand, eight hundred seventy".