210440013421232 has 160 divisors (see below), whose sum is σ = 497653683125760. Its totient is φ = 84150664335360.

The previous prime is 210440013421201. The next prime is 210440013421237. The reversal of 210440013421232 is 232124310044012.

It is a junction number, because it is equal to n+sod(n) for n = 210440013421195 and 210440013421204.

It is not an unprimeable number, because it can be changed into a prime (210440013421237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182301938 + ... + 183452654.

It is an arithmetic number, because the mean of its divisors is an integer number (3110335519536).

Almost surely, 2^{210440013421232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210440013421232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248826841562880).

210440013421232 is an abundant number, since it is smaller than the sum of its proper divisors (287213669704528).

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

210440013421232 is a wasteful number, since it uses less digits than its factorization.

210440013421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151579 (or 1151573 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 210440013421232 its reverse (232124310044012), we get a palindrome (442564323465244).

The spelling of 210440013421232 in words is "two hundred ten trillion, four hundred forty billion, thirteen million, four hundred twenty-one thousand, two hundred thirty-two".