43004100040 has 64 divisors (see below), whose sum is σ = 110144914560. Its totient is φ = 14957944320.

The previous prime is 43004100011. The next prime is 43004100071. The reversal of 43004100040 is 4000140034.

43004100040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43004099987 and 43004100023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114589 + ... + 2134828.

It is an arithmetic number, because the mean of its divisors is an integer number (1721014290).

Almost surely, 2^43004100040 is an apocalyptic number.

43004100040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43004100040 is an abundant number, since it is smaller than the sum of its proper divisors (67140814520).

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

43004100040 is a wasteful number, since it uses less digits than its factorization.

43004100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249462 (or 4249458 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 43004100040 its reverse (4000140034), we get a palindrome (47004240074).

The spelling of 43004100040 in words is "forty-three billion, four million, one hundred thousand, forty".