40043350518 has 16 divisors (see below), whose sum is σ = 80233118400. Its totient is φ = 13323380616.

The previous prime is 40043350513. The next prime is 40043350591. The reversal of 40043350518 is 81505334004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043350513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6097168 + ... + 6103731.

It is an arithmetic number, because the mean of its divisors is an integer number (5014569900).

Almost surely, 2^40043350518 is an apocalyptic number.

40043350518 is an abundant number, since it is smaller than the sum of its proper divisors (40189767882).

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

40043350518 is a wasteful number, since it uses less digits than its factorization.

40043350518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201451.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 40043350518 in words is "forty billion, forty-three million, three hundred fifty thousand, five hundred eighteen".