420032412432 has 80 divisors (see below), whose sum is σ = 1218078079680. Its totient is φ = 138567379968.

The previous prime is 420032412409. The next prime is 420032412451. The reversal of 420032412432 is 234214230024.

420032412432 is a `hidden beast` number, since 4 + 200 + 3 + 2 + 412 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 420032412396 and 420032412405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969938 + ... + 5053745.

It is an arithmetic number, because the mean of its divisors is an integer number (15225975996).

Almost surely, 2^420032412432 is an apocalyptic number.

It is an amenable number.

420032412432 is an abundant number, since it is smaller than the sum of its proper divisors (798045667248).

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

420032412432 is a wasteful number, since it uses less digits than its factorization.

420032412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023797 (or 10023785 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 420032412432 its reverse (234214230024), we get a palindrome (654246642456).

The spelling of 420032412432 in words is "four hundred twenty billion, thirty-two million, four hundred twelve thousand, four hundred thirty-two".