1000443432432 has 20 divisors (see below), whose sum is σ = 2584478867240. Its totient is φ = 333481144128.

The previous prime is 1000443432403. The next prime is 1000443432433. The reversal of 1000443432432 is 2342343440001.

It is a happy number.

It is a super-2 number, since 2×1000443432432² (a number of 25 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 1000443432432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000443432433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10421285707 + ... + 10421285802.

It is an arithmetic number, because the mean of its divisors is an integer number (129223943362).

Almost surely, 2^{1000443432432} is an apocalyptic number.

1000443432432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000443432432 is an abundant number, since it is smaller than the sum of its proper divisors (1584035434808).

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

1000443432432 is a wasteful number, since it uses less digits than its factorization.

1000443432432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20842571520 (or 20842571514 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1000443432432 its reverse (2342343440001), we get a palindrome (3342786872433).

The spelling of 1000443432432 in words is "one trillion, four hundred forty-three million, four hundred thirty-two thousand, four hundred thirty-two".