18038424770 has 64 divisors (see below), whose sum is σ = 35887795200. Its totient is φ = 6497863680.

The previous prime is 18038424721. The next prime is 18038424779. The reversal of 18038424770 is 7742483081.

It is not an unprimeable number, because it can be changed into a prime (18038424779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449801 + ... + 488259.

It is an arithmetic number, because the mean of its divisors is an integer number (560746800).

Almost surely, 2^18038424770 is an apocalyptic number.

18038424770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18038424770 is a deficient number, since it is larger than the sum of its proper divisors (17849370430).

18038424770 is a wasteful number, since it uses less digits than its factorization.

18038424770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38603.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 18038424770 in words is "eighteen billion, thirty-eight million, four hundred twenty-four thousand, seven hundred seventy".