40043355103 has 8 divisors (see below), whose sum is σ = 40697906688. Its totient is φ = 39391668864.

The previous prime is 40043355073. The next prime is 40043355137. The reversal of 40043355103 is 30155334004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40043355103 - 2⁵ = 40043355071 is a prime.

It is a super-2 number, since 2×40043355103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043355193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688150 + ... + 744067.

It is an arithmetic number, because the mean of its divisors is an integer number (5087238336).

Almost surely, 2^40043355103 is an apocalyptic number.

40043355103 is a deficient number, since it is larger than the sum of its proper divisors (654551585).

40043355103 is a wasteful number, since it uses less digits than its factorization.

40043355103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432673.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 40043355103 its reverse (30155334004), we get a palindrome (70198689107).

The spelling of 40043355103 in words is "forty billion, forty-three million, three hundred fifty-five thousand, one hundred three".