503541421232440 has 32 divisors (see below), whose sum is σ = 1160601568454160. Its totient is φ = 196503969260800.

The previous prime is 503541421232407. The next prime is 503541421232467. The reversal of 503541421232440 is 44232124145305.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 503541421232393 and 503541421232402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153518724346 + ... + 153518727625.

Almost surely, 2^{503541421232440} is an apocalyptic number.

It is an amenable number.

503541421232440 is an abundant number, since it is smaller than the sum of its proper divisors (657060147221720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503541421232440 is a wasteful number, since it uses less digits than its factorization.

503541421232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307037452023 (or 307037452019 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 503541421232440 its reverse (44232124145305), we get a palindrome (547773545377745).

The spelling of 503541421232440 in words is "five hundred three trillion, five hundred forty-one billion, four hundred twenty-one million, two hundred thirty-two thousand, four hundred forty".