210040303434 has 64 divisors (see below), whose sum is σ = 462229891200. Its totient is φ = 63235687680.

The previous prime is 210040303427. The next prime is 210040303453. The reversal of 210040303434 is 434303040012.

210040303434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643804 + ... + 913544.

It is an arithmetic number, because the mean of its divisors is an integer number (7222342050).

Almost surely, 2^210040303434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210040303434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231114945600).

210040303434 is an abundant number, since it is smaller than the sum of its proper divisors (252189587766).

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

210040303434 is a wasteful number, since it uses less digits than its factorization.

210040303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269975.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 210040303434 its reverse (434303040012), we get a palindrome (644343343446).

The spelling of 210040303434 in words is "two hundred ten billion, forty million, three hundred three thousand, four hundred thirty-four".