421454425232 has 20 divisors (see below), whose sum is σ = 816682359936. Its totient is φ = 210697687200.

The previous prime is 421454425199. The next prime is 421454425253. The reversal of 421454425232 is 232524454124.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727348 + ... + 1956179.

Almost surely, 2^421454425232 is an apocalyptic number.

It is an amenable number.

421454425232 is a deficient number, since it is larger than the sum of its proper divisors (395227934704).

421454425232 is a wasteful number, since it uses less digits than its factorization.

421454425232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690686 (or 3690680 counting only the distinct ones).

The product of its digits is 307200, while the sum is 38.

Adding to 421454425232 its reverse (232524454124), we get a palindrome (653978879356).

The spelling of 421454425232 in words is "four hundred twenty-one billion, four hundred fifty-four million, four hundred twenty-five thousand, two hundred thirty-two".