18810480000 has 320 divisors, whose sum is σ = 67250660400. Its totient is φ = 4629504000.

The previous prime is 18810479983. The next prime is 18810480067. The reversal of 18810480000 is 8401881.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-4 number, since 4×18810480000⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 18810480000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3116986 + ... + 3123014.

Almost surely, 2^18810480000 is an apocalyptic number.

18810480000 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 18810480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33625330200).

18810480000 is an abundant number, since it is smaller than the sum of its proper divisors (48440180400).

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

18810480000 is an equidigital number, since it uses as much as digits as its factorization.

18810480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079 (or 6052 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

Adding to 18810480000 its reverse (8401881), we get a palindrome (18818881881).

The spelling of 18810480000 in words is "eighteen billion, eight hundred ten million, four hundred eighty thousand".