443000421011440 has 40 divisors (see below), whose sum is σ = 1029977622311328. Its totient is φ = 177199885658880.

The previous prime is 443000421011399. The next prime is 443000421011453. The reversal of 443000421011440 is 44110124000344.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×443000421011440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 443000421011399 and 443000421011408.

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, 50231214 + ... + 58388146.

Almost surely, 2^{443000421011440} is an apocalyptic number.

443000421011440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

443000421011440 is an abundant number, since it is smaller than the sum of its proper divisors (586977201299888).

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

443000421011440 is a wasteful number, since it uses less digits than its factorization.

443000421011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835817 (or 8835811 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 443000421011440 its reverse (44110124000344), we get a palindrome (487110545011784).

The spelling of 443000421011440 in words is "four hundred forty-three trillion, four hundred twenty-one million, eleven thousand, four hundred forty".