4032321321432 has 64 divisors (see below), whose sum is σ = 10710266392800. Its totient is φ = 1262684021760.

The previous prime is 4032321321409. The next prime is 4032321321493. The reversal of 4032321321432 is 2341231232304.

It is a happy number.

It is a super-2 number, since 2×4032321321432² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4032321321432.

It is a congruent number.

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, 78265669 + ... + 78317172.

Almost surely, 2^{4032321321432} is an apocalyptic number.

It is an amenable number.

4032321321432 is an abundant number, since it is smaller than the sum of its proper divisors (6677945071368).

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

4032321321432 is a wasteful number, since it uses less digits than its factorization.

4032321321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156582916 (or 156582912 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 4032321321432 its reverse (2341231232304), we get a palindrome (6373552553736).

The spelling of 4032321321432 in words is "four trillion, thirty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, four hundred thirty-two".