500254146121420 has 24 divisors (see below), whose sum is σ = 1050534618512400. Its totient is φ = 200101484799552.

The previous prime is 500254146121391. The next prime is 500254146121421. The reversal of 500254146121420 is 24121641452005.

It is a self number, because there is not a number n which added to its sum of digits gives 500254146121420.

It is not an unprimeable number, because it can be changed into a prime (500254146121421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14177826 + ... + 34662934.

It is an arithmetic number, because the mean of its divisors is an integer number (43772275771350).

Almost surely, 2^{500254146121420} is an apocalyptic number.

It is an amenable number.

500254146121420 is an abundant number, since it is smaller than the sum of its proper divisors (550280472390980).

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

500254146121420 is a wasteful number, since it uses less digits than its factorization.

500254146121420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706137 (or 21706135 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 500254146121420 its reverse (24121641452005), we get a palindrome (524375787573425).

The spelling of 500254146121420 in words is "five hundred trillion, two hundred fifty-four billion, one hundred forty-six million, one hundred twenty-one thousand, four hundred twenty".