1938060000 has 480 divisors, whose sum is σ = 7329278880. Its totient is φ = 497664000.

The previous prime is 1938059999. The next prime is 1938060011. The reversal of 1938060000 is 608391.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19979952 + ... + 19980048.

It is an arithmetic number, because the mean of its divisors is an integer number (15269331).

Almost surely, 2^1938060000 is an apocalyptic number.

1938060000 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 1938060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3664639440).

1938060000 is an abundant number, since it is smaller than the sum of its proper divisors (5391218880).

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

1938060000 is an equidigital number, since it uses as much as digits as its factorization.

1938060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1938060000 is about 44023.4028671115. The cubic root of 1938060000 is about 1246.7778345902. Note that the first 3 decimals are identical.

Adding to 1938060000 its reverse (608391), we get a palindrome (1938668391).

The spelling of 1938060000 in words is "one billion, nine hundred thirty-eight million, sixty thousand".