421232040422332 has 12 divisors (see below), whose sum is σ = 749240596489336. Its totient is φ = 207163298568240.

The previous prime is 421232040422317. The next prime is 421232040422341. The reversal of 421232040422332 is 233224040232124.

It is a happy number.

It is a super-2 number, since 2×421232040422332² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863180410458 + ... + 863180410945.

Almost surely, 2^{421232040422332} is an apocalyptic number.

It is an amenable number.

421232040422332 is a deficient number, since it is larger than the sum of its proper divisors (328008556067004).

421232040422332 is a wasteful number, since it uses less digits than its factorization.

421232040422332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726360821468 (or 1726360821466 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 421232040422332 its reverse (233224040232124), we get a palindrome (654456080654456).

The spelling of 421232040422332 in words is "four hundred twenty-one trillion, two hundred thirty-two billion, forty million, four hundred twenty-two thousand, three hundred thirty-two".