18050380000 has 120 divisors (see below), whose sum is σ = 46744818120. Its totient is φ = 6840000000.

The previous prime is 18050379947. The next prime is 18050380021. The reversal of 18050380000 is 8305081.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 356250 + ... + 403750.

It is an arithmetic number, because the mean of its divisors is an integer number (389540151).

Almost surely, 2^18050380000 is an apocalyptic number.

18050380000 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 18050380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23372409060).

18050380000 is an abundant number, since it is smaller than the sum of its proper divisors (28694438120).

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

18050380000 is an equidigital number, since it uses as much as digits as its factorization.

18050380000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47550 (or 47527 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 18050380000 its reverse (8305081), we get a palindrome (18058685081).

It can be divided in two parts, 18050 and 380000, that multiplied together give a cube (6859000000 = 1900³).

The spelling of 18050380000 in words is "eighteen billion, fifty million, three hundred eighty thousand".