505231012433990 has 8 divisors (see below), whose sum is σ = 909415822381200. Its totient is φ = 202092404973592.

The previous prime is 505231012433989. The next prime is 505231012434131. The reversal of 505231012433990 is 99334210132505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25261550621690 + ... + 25261550621709.

It is an arithmetic number, because the mean of its divisors is an integer number (113676977797650).

Almost surely, 2^{505231012433990} is an apocalyptic number.

505231012433990 is a deficient number, since it is larger than the sum of its proper divisors (404184809947210).

505231012433990 is a wasteful number, since it uses less digits than its factorization.

505231012433990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50523101243406.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 505231012433990 in words is "five hundred five trillion, two hundred thirty-one billion, twelve million, four hundred thirty-three thousand, nine hundred ninety".