443370340040 has 16 divisors (see below), whose sum is σ = 997583265180. Its totient is φ = 177348136000.

The previous prime is 443370340019. The next prime is 443370340043. The reversal of 443370340040 is 40043073344.

It can be written as a sum of positive squares in 2 ways, for example, as 404345917924 + 39024422116 = 635882^2 + 197546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 443370339979 and 443370340006.

It is not an unprimeable number, because it can be changed into a prime (443370340043) 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, 5542129211 + ... + 5542129290.

Almost surely, 2^443370340040 is an apocalyptic number.

443370340040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

443370340040 is an abundant number, since it is smaller than the sum of its proper divisors (554212925140).

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

443370340040 is a wasteful number, since it uses less digits than its factorization.

443370340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084258512 (or 11084258508 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 32.

The spelling of 443370340040 in words is "four hundred forty-three billion, three hundred seventy million, three hundred forty thousand, forty".