421362136432 has 40 divisors (see below), whose sum is σ = 826213096656. Its totient is φ = 208157623296.

The previous prime is 421362136409. The next prime is 421362136457. The reversal of 421362136432 is 234631263124.

It is a junction number, because it is equal to n+sod(n) for n = 421362136391 and 421362136400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205543 + ... + 940729.

Almost surely, 2^421362136432 is an apocalyptic number.

It is an amenable number.

421362136432 is a deficient number, since it is larger than the sum of its proper divisors (404850960224).

421362136432 is a wasteful number, since it uses less digits than its factorization.

421362136432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735625 (or 735619 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

Adding to 421362136432 its reverse (234631263124), we get a palindrome (655993399556).

The spelling of 421362136432 in words is "four hundred twenty-one billion, three hundred sixty-two million, one hundred thirty-six thousand, four hundred thirty-two".