40503030540403 has 16 divisors (see below), whose sum is σ = 43179816921120. Its totient is φ = 37859626610176.

The previous prime is 40503030540373. The next prime is 40503030540407. The reversal of 40503030540403 is 30404503030504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40503030540403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40503030540407) 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, 8855248 + ... + 12626221.

It is an arithmetic number, because the mean of its divisors is an integer number (2698738557570).

Almost surely, 2^{40503030540403} is an apocalyptic number.

40503030540403 is a deficient number, since it is larger than the sum of its proper divisors (2676786380717).

40503030540403 is a wasteful number, since it uses less digits than its factorization.

40503030540403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21482246.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 40503030540403 its reverse (30404503030504), we get a palindrome (70907533570907).

The spelling of 40503030540403 in words is "forty trillion, five hundred three billion, thirty million, five hundred forty thousand, four hundred three".