30240440520503 has 16 divisors (see below), whose sum is σ = 31597190539776. Its totient is φ = 28887194249760.

The previous prime is 30240440520419. The next prime is 30240440520527. The reversal of 30240440520503 is 30502504404203.

It is a cyclic number.

It is not a de Polignac number, because 30240440520503 - 2³⁰ = 30239366778679 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 30240440520503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240440520803) 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, 174571313 + ... + 174744453.

It is an arithmetic number, because the mean of its divisors is an integer number (1974824408736).

Almost surely, 2^{30240440520503} is an apocalyptic number.

30240440520503 is a deficient number, since it is larger than the sum of its proper divisors (1356750019273).

30240440520503 is a wasteful number, since it uses less digits than its factorization.

30240440520503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183214.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 30240440520503 its reverse (30502504404203), we get a palindrome (60742944924706).

The spelling of 30240440520503 in words is "thirty trillion, two hundred forty billion, four hundred forty million, five hundred twenty thousand, five hundred three".