40043616503 has 8 divisors (see below), whose sum is σ = 43890980736. Its totient is φ = 36230758200.

The previous prime is 40043616499. The next prime is 40043616539. The reversal of 40043616503 is 30561634004.

40043616503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40043616503 - 2² = 40043616499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40043616503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043616563) 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, 8624051 + ... + 8628692.

It is an arithmetic number, because the mean of its divisors is an integer number (5486372592).

Almost surely, 2^40043616503 is an apocalyptic number.

40043616503 is a deficient number, since it is larger than the sum of its proper divisors (3847364233).

40043616503 is a wasteful number, since it uses less digits than its factorization.

40043616503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252965.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 40043616503 in words is "forty billion, forty-three million, six hundred sixteen thousand, five hundred three".