38418434898 has 8 divisors (see below), whose sum is σ = 76836869808. Its totient is φ = 12806144964.

The previous prime is 38418434863. The next prime is 38418434927. The reversal of 38418434898 is 89843481483.

It is a happy number.

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

38418434898 is an admirable number.

It is a super-2 number, since 2×38418434898² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 3201536236 + ... + 3201536247.

It is an arithmetic number, because the mean of its divisors is an integer number (9604608726).

Almost surely, 2^38418434898 is an apocalyptic number.

38418434898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38418434898 is a wasteful number, since it uses less digits than its factorization.

38418434898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403072488.

The product of its digits is 21233664, while the sum is 60.

The spelling of 38418434898 in words is "thirty-eight billion, four hundred eighteen million, four hundred thirty-four thousand, eight hundred ninety-eight".