40351042503 has 24 divisors (see below), whose sum is σ = 58724265600. Its totient is φ = 26698381584.

The previous prime is 40351042489. The next prime is 40351042507. The reversal of 40351042503 is 30524015304.

40351042503 is a `hidden beast` number, since 403 + 5 + 1 + 0 + 4 + 250 + 3 = 666.

It is not a de Polignac number, because 40351042503 - 2⁸ = 40351042247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40351042507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970108 + ... + 1010846.

It is an arithmetic number, because the mean of its divisors is an integer number (2446844400).

Almost surely, 2^40351042503 is an apocalyptic number.

40351042503 is a deficient number, since it is larger than the sum of its proper divisors (18373223097).

40351042503 is a wasteful number, since it uses less digits than its factorization.

40351042503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41571 (or 41568 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 40351042503 its reverse (30524015304), we get a palindrome (70875057807).

The spelling of 40351042503 in words is "forty billion, three hundred fifty-one million, forty-two thousand, five hundred three".