18770442000 has 160 divisors (see below), whose sum is σ = 63701339520. Its totient is φ = 4741977600.

The previous prime is 18770441993. The next prime is 18770442059. The reversal of 18770442000 is 24407781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31674 + ... + 196326.

It is an arithmetic number, because the mean of its divisors is an integer number (398133372).

Almost surely, 2^18770442000 is an apocalyptic number.

18770442000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18770442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31850669760).

18770442000 is an abundant number, since it is smaller than the sum of its proper divisors (44930897520).

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

18770442000 is a wasteful number, since it uses less digits than its factorization.

18770442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164698 (or 164682 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

Adding to 18770442000 its reverse (24407781), we get a palindrome (18794849781).

The spelling of 18770442000 in words is "eighteen billion, seven hundred seventy million, four hundred forty-two thousand".