210401024420442 has 16 divisors (see below), whose sum is σ = 423482316669792. Its totient is φ = 69686963502000.

The previous prime is 210401024420441. The next prime is 210401024420449. The reversal of 210401024420442 is 244024420104012.

It is not an unprimeable number, because it can be changed into a prime (210401024420441) 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, 111677825184 + ... + 111677827067.

It is an arithmetic number, because the mean of its divisors is an integer number (26467644791862).

Almost surely, 2^{210401024420442} is an apocalyptic number.

210401024420442 is an abundant number, since it is smaller than the sum of its proper divisors (213081292249350).

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

210401024420442 is a wasteful number, since it uses less digits than its factorization.

210401024420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223355652413.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 210401024420442 its reverse (244024420104012), we get a palindrome (454425444524454).

The spelling of 210401024420442 in words is "two hundred ten trillion, four hundred one billion, twenty-four million, four hundred twenty thousand, four hundred forty-two".