210440034 has 48 divisors (see below), whose sum is σ = 522070848. Its totient is φ = 60012576.

The previous prime is 210440017. The next prime is 210440047. The reversal of 210440034 is 430044012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210439989 and 210440016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84069 + ... + 86535.

It is an arithmetic number, because the mean of its divisors is an integer number (10876476).

Almost surely, 2^210440034 is an apocalyptic number.

210440034 is an abundant number, since it is smaller than the sum of its proper divisors (311630814).

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

210440034 is a wasteful number, since it uses less digits than its factorization.

210440034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 210440034 is about 14506.5514165152. The cubic root of 210440034 is about 594.8070687711.

Adding to 210440034 its reverse (430044012), we get a palindrome (640484046).

The spelling of 210440034 in words is "two hundred ten million, four hundred forty thousand, thirty-four".