503034342450 has 48 divisors (see below), whose sum is σ = 1274068275840. Its totient is φ = 131288393920.

The previous prime is 503034342449. The next prime is 503034342457. The reversal of 503034342450 is 54243430305.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (503034342457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35669145 + ... + 35683244.

It is an arithmetic number, because the mean of its divisors is an integer number (26543089080).

Almost surely, 2^503034342450 is an apocalyptic number.

503034342450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503034342450 is an abundant number, since it is smaller than the sum of its proper divisors (771033933390).

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

503034342450 is a wasteful number, since it uses less digits than its factorization.

503034342450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71352451 (or 71352446 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 503034342450 its reverse (54243430305), we get a palindrome (557277772755).

The spelling of 503034342450 in words is "five hundred three billion, thirty-four million, three hundred forty-two thousand, four hundred fifty".