1004430421432 has 32 divisors (see below), whose sum is σ = 1902646782000. Its totient is φ = 497081769984.

The previous prime is 1004430421427. The next prime is 1004430421441. The reversal of 1004430421432 is 2341240344001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004430421432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151433 + ... + 1826104.

Almost surely, 2^{1004430421432} is an apocalyptic number.

It is an amenable number.

1004430421432 is a deficient number, since it is larger than the sum of its proper divisors (898216360568).

1004430421432 is a wasteful number, since it uses less digits than its factorization.

1004430421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977975 (or 2977971 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1004430421432 its reverse (2341240344001), we get a palindrome (3345670765433).

The spelling of 1004430421432 in words is "one trillion, four billion, four hundred thirty million, four hundred twenty-one thousand, four hundred thirty-two".