421325430325452 has 72 divisors (see below), whose sum is σ = 1124896769483760. Its totient is φ = 132596039802240.

The previous prime is 421325430325447. The next prime is 421325430325469. The reversal of 421325430325452 is 254523034523124.

It is a happy number.

421325430325452 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 2 + 543 + 0 + 3 + 2 + 54 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 421325430325398 and 421325430325407.

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 23 ways as a sum of consecutive naturals, for example, 1050947799 + ... + 1051348622.

It is an arithmetic number, because the mean of its divisors is an integer number (15623566242830).

Almost surely, 2^{421325430325452} is an apocalyptic number.

It is an amenable number.

421325430325452 is an abundant number, since it is smaller than the sum of its proper divisors (703571339158308).

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

421325430325452 is a wasteful number, since it uses less digits than its factorization.

421325430325452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102296743 (or 2102296738 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 421325430325452 its reverse (254523034523124), we get a palindrome (675848464848576).

The spelling of 421325430325452 in words is "four hundred twenty-one trillion, three hundred twenty-five billion, four hundred thirty million, three hundred twenty-five thousand, four hundred fifty-two".