421424102332 has 12 divisors (see below), whose sum is σ = 746827523680. Its totient is φ = 208044809856.

The previous prime is 421424102299. The next prime is 421424102401. The reversal of 421424102332 is 233201424124.

It is a self number, because there is not a number n which added to its sum of digits gives 421424102332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666809973 + ... + 666810604.

Almost surely, 2^421424102332 is an apocalyptic number.

It is an amenable number.

421424102332 is a deficient number, since it is larger than the sum of its proper divisors (325403421348).

421424102332 is a wasteful number, since it uses less digits than its factorization.

421424102332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333620660 (or 1333620658 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 421424102332 its reverse (233201424124), we get a palindrome (654625526456).

The spelling of 421424102332 in words is "four hundred twenty-one billion, four hundred twenty-four million, one hundred two thousand, three hundred thirty-two".