421144202010420 has 144 divisors (see below), whose sum is σ = 1480529476677888. Its totient is φ = 94905735644160.

The previous prime is 421144202010419. The next prime is 421144202010431. The reversal of 421144202010420 is 24010202441124.

421144202010420 is a `hidden beast` number, since 4 + 2 + 1 + 14 + 4 + 20 + 201 + 0 + 420 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2353723429 + ... + 2353902348.

It is an arithmetic number, because the mean of its divisors is an integer number (10281454699152).

Almost surely, 2^{421144202010420} is an apocalyptic number.

It is an amenable number.

421144202010420 is an abundant number, since it is smaller than the sum of its proper divisors (1059385274667468).

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

421144202010420 is a wasteful number, since it uses less digits than its factorization.

421144202010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707625870 (or 4707625865 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 421144202010420 its reverse (24010202441124), we get a palindrome (445154404451544).

The spelling of 421144202010420 in words is "four hundred twenty-one trillion, one hundred forty-four billion, two hundred two million, ten thousand, four hundred twenty".