210202441400409 has 8 divisors (see below), whose sum is σ = 280270280848800. Its totient is φ = 140134781442816.

The previous prime is 210202441400407. The next prime is 210202441400429. The reversal of 210202441400409 is 904004144202012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210202441400409 - 2¹ = 210202441400407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210202441400409.

It is not an unprimeable number, because it can be changed into a prime (210202441400407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42115927 + ... + 46841820.

It is an arithmetic number, because the mean of its divisors is an integer number (35033785106100).

Almost surely, 2^{210202441400409} is an apocalyptic number.

It is an amenable number.

210202441400409 is a deficient number, since it is larger than the sum of its proper divisors (70067839448391).

210202441400409 is an equidigital number, since it uses as much as digits as its factorization.

210202441400409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89745399.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 210202441400409 in words is "two hundred ten trillion, two hundred two billion, four hundred forty-one million, four hundred thousand, four hundred nine".