421233321344402 has 16 divisors (see below), whose sum is σ = 722189010685632. Its totient is φ = 180509879909520.

The previous prime is 421233321344387. The next prime is 421233321344453. The reversal of 421233321344402 is 204443123332124.

It is a super-2 number, since 2×421233321344402² (a number of 30 digits) contains 22 as substring.

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, 1557058328 + ... + 1557328835.

It is an arithmetic number, because the mean of its divisors is an integer number (45136813167852).

Almost surely, 2^{421233321344402} is an apocalyptic number.

421233321344402 is a deficient number, since it is larger than the sum of its proper divisors (300955689341230).

421233321344402 is a wasteful number, since it uses less digits than its factorization.

421233321344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114396833.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 421233321344402 its reverse (204443123332124), we get a palindrome (625676444676526).

The spelling of 421233321344402 in words is "four hundred twenty-one trillion, two hundred thirty-three billion, three hundred twenty-one million, three hundred forty-four thousand, four hundred two".