40406065503 has 8 divisors (see below), whose sum is σ = 53875749168. Its totient is φ = 26936879424.

The previous prime is 40406065501. The next prime is 40406065519. The reversal of 40406065503 is 30556060404.

40406065503 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 not a de Polignac number, because 40406065503 - 2¹ = 40406065501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40406065501) 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, 154251 + ... + 323427.

It is an arithmetic number, because the mean of its divisors is an integer number (6734468646).

Almost surely, 2^40406065503 is an apocalyptic number.

40406065503 is a deficient number, since it is larger than the sum of its proper divisors (13469683665).

40406065503 is a wasteful number, since it uses less digits than its factorization.

40406065503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248793.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 40406065503 in words is "forty billion, four hundred six million, sixty-five thousand, five hundred three".