210040030000 has 100 divisors (see below), whose sum is σ = 509900317168. Its totient is φ = 83789280000.

The previous prime is 210040029989. The next prime is 210040030063. The reversal of 210040030000 is 30040012.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-3 number, since 3×210040030000³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 19 ways as a sum of consecutive naturals, for example, 3701845 + ... + 3758155.

Almost surely, 2^210040030000 is an apocalyptic number.

210040030000 is a gapful number since it is divisible by the number (20) 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 210040030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254950158584).

210040030000 is an abundant number, since it is smaller than the sum of its proper divisors (299860287168).

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

210040030000 is an equidigital number, since it uses as much as digits as its factorization.

210040030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56712 (or 56691 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 210040030000 its reverse (30040012), we get a palindrome (210070070012).

The spelling of 210040030000 in words is "two hundred ten billion, forty million, thirty thousand".