210340430444 has 6 divisors (see below), whose sum is σ = 368095753284. Its totient is φ = 105170215220.

The previous prime is 210340430393. The next prime is 210340430459. The reversal of 210340430444 is 444034043012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26292553802 + ... + 26292553809.

It is an arithmetic number, because the mean of its divisors is an integer number (61349292214).

Almost surely, 2^210340430444 is an apocalyptic number.

It is an amenable number.

210340430444 is a deficient number, since it is larger than the sum of its proper divisors (157755322840).

210340430444 is a wasteful number, since it uses less digits than its factorization.

210340430444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52585107615 (or 52585107613 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 210340430444 its reverse (444034043012), we get a palindrome (654374473456).

The spelling of 210340430444 in words is "two hundred ten billion, three hundred forty million, four hundred thirty thousand, four hundred forty-four".