43403041040 has 40 divisors (see below), whose sum is σ = 101049876888. Its totient is φ = 17337507840.

The previous prime is 43403040977. The next prime is 43403041063. The reversal of 43403041040 is 4014030434.

It can be written as a sum of positive squares in 4 ways, for example, as 19978126336 + 23424914704 = 141344^2 + 153052^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 43403040997 and 43403041015.

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, 311441 + ... + 428720.

Almost surely, 2^43403041040 is an apocalyptic number.

43403041040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43403041040 is an abundant number, since it is smaller than the sum of its proper divisors (57646835848).

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

43403041040 is a wasteful number, since it uses less digits than its factorization.

43403041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740907 (or 740901 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43403041040 its reverse (4014030434), we get a palindrome (47417071474).

The spelling of 43403041040 in words is "forty-three billion, four hundred three million, forty-one thousand, forty".