18354444210 has 64 divisors (see below), whose sum is σ = 48957350400. Its totient is φ = 4893302016.

The previous prime is 18354444209. The next prime is 18354444217. The reversal of 18354444210 is 1244445381.

18354444210 is a `hidden beast` number, since 183 + 54 + 4 + 4 + 421 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (18354444217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1778746 + ... + 1789034.

It is an arithmetic number, because the mean of its divisors is an integer number (764958600).

Almost surely, 2^18354444210 is an apocalyptic number.

18354444210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18354444210 is an abundant number, since it is smaller than the sum of its proper divisors (30602906190).

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

18354444210 is a wasteful number, since it uses less digits than its factorization.

18354444210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16912 (or 16906 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 18354444210 its reverse (1244445381), we get a palindrome (19598889591).

The spelling of 18354444210 in words is "eighteen billion, three hundred fifty-four million, four hundred forty-four thousand, two hundred ten".