512420045403 has 24 divisors (see below), whose sum is σ = 795530395200. Its totient is φ = 292532763600.

The previous prime is 512420045359. The next prime is 512420045419. The reversal of 512420045403 is 304540024215.

It is not a de Polignac number, because 512420045403 - 2⁶ = 512420045339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (512420040403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1503853 + ... + 1812846.

It is an arithmetic number, because the mean of its divisors is an integer number (33147099800).

Almost surely, 2^512420045403 is an apocalyptic number.

512420045403 is a deficient number, since it is larger than the sum of its proper divisors (283110349797).

512420045403 is a wasteful number, since it uses less digits than its factorization.

512420045403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317767 (or 3317760 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 512420045403 its reverse (304540024215), we get a palindrome (816960069618).

The spelling of 512420045403 in words is "five hundred twelve billion, four hundred twenty million, forty-five thousand, four hundred three".