210440140422220 has 48 divisors (see below), whose sum is σ = 442018570855680. Its totient is φ = 84158100899264.

The previous prime is 210440140422167. The next prime is 210440140422269. The reversal of 210440140422220 is 22224041044012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932592617 + ... + 1932701503.

It is an arithmetic number, because the mean of its divisors is an integer number (9208720226160).

Almost surely, 2^{210440140422220} is an apocalyptic number.

210440140422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210440140422220 is an abundant number, since it is smaller than the sum of its proper divisors (231578430433460).

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

210440140422220 is a wasteful number, since it uses less digits than its factorization.

210440140422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128622 (or 128620 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 210440140422220 its reverse (22224041044012), we get a palindrome (232664181466232).

The spelling of 210440140422220 in words is "two hundred ten trillion, four hundred forty billion, one hundred forty million, four hundred twenty-two thousand, two hundred twenty".