40043110243 has 16 divisors (see below), whose sum is σ = 41565363840. Its totient is φ = 38553281536.

The previous prime is 40043110231. The next prime is 40043110249. The reversal of 40043110243 is 34201134004.

40043110243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40043110243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40043110249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799755 + ... + 848347.

It is an arithmetic number, because the mean of its divisors is an integer number (2597835240).

Almost surely, 2^40043110243 is an apocalyptic number.

40043110243 is a deficient number, since it is larger than the sum of its proper divisors (1522253597).

40043110243 is a wasteful number, since it uses less digits than its factorization.

40043110243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48926.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40043110243 its reverse (34201134004), we get a palindrome (74244244247).

The spelling of 40043110243 in words is "forty billion, forty-three million, one hundred ten thousand, two hundred forty-three".