18077310228 has 48 divisors (see below), whose sum is σ = 42897254400. Its totient is φ = 5923478400.

The previous prime is 18077310227. The next prime is 18077310241. The reversal of 18077310228 is 82201377081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18077310221) 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 15 ways as a sum of consecutive naturals, for example, 1420333 + ... + 1433003.

It is an arithmetic number, because the mean of its divisors is an integer number (893692800).

Almost surely, 2^18077310228 is an apocalyptic number.

It is an amenable number.

18077310228 is an abundant number, since it is smaller than the sum of its proper divisors (24819944172).

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

18077310228 is a wasteful number, since it uses less digits than its factorization.

18077310228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688 (or 14686 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 18077310228 in words is "eighteen billion, seventy-seven million, three hundred ten thousand, two hundred twenty-eight".