421202333404 has 24 divisors (see below), whose sum is σ = 756928519200. Its totient is φ = 204962161920.

The previous prime is 421202333381. The next prime is 421202333407. The reversal of 421202333404 is 404333202124.

It is a super-2 number, since 2×421202333404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421202333407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072664 + ... + 3206815.

It is an arithmetic number, because the mean of its divisors is an integer number (31538688300).

Almost surely, 2^421202333404 is an apocalyptic number.

It is an amenable number.

421202333404 is a deficient number, since it is larger than the sum of its proper divisors (335726185796).

421202333404 is a wasteful number, since it uses less digits than its factorization.

421202333404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279933 (or 6279931 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 421202333404 its reverse (404333202124), we get a palindrome (825535535528).

It can be divided in two parts, 421202 and 333404, that added together give a triangular number (754606 = T₁₂₂₈).

The spelling of 421202333404 in words is "four hundred twenty-one billion, two hundred two million, three hundred thirty-three thousand, four hundred four".