421213301140 has 24 divisors (see below), whose sum is σ = 886919390280. Its totient is φ = 168033614208.

The previous prime is 421213301129. The next prime is 421213301167. The reversal of 421213301140 is 41103312124.

It can be written as a sum of positive squares in 4 ways, for example, as 81839477776 + 339373823364 = 286076^2 + 582558^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28223995 + ... + 28238914.

It is an arithmetic number, because the mean of its divisors is an integer number (36954974595).

Almost surely, 2^421213301140 is an apocalyptic number.

It is an amenable number.

421213301140 is an abundant number, since it is smaller than the sum of its proper divisors (465706089140).

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

421213301140 is a wasteful number, since it uses less digits than its factorization.

421213301140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56463291 (or 56463289 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 421213301140 its reverse (41103312124), we get a palindrome (462316613264).

The spelling of 421213301140 in words is "four hundred twenty-one billion, two hundred thirteen million, three hundred one thousand, one hundred forty".