503420330042988 has 48 divisors (see below), whose sum is σ = 1248367929873120. Its totient is φ = 157348667905024.

The previous prime is 503420330042957. The next prime is 503420330042989. The reversal of 503420330042988 is 889240033024305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 503420330042988.

It is not an unprimeable number, because it can be changed into a prime (503420330042989) 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, 4586834931 + ... + 4586944682.

It is an arithmetic number, because the mean of its divisors is an integer number (26007665205690).

Almost surely, 2^{503420330042988} is an apocalyptic number.

It is an amenable number.

503420330042988 is an abundant number, since it is smaller than the sum of its proper divisors (744947599830132).

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

503420330042988 is a wasteful number, since it uses less digits than its factorization.

503420330042988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173779906 (or 9173779904 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 503420330042988 in words is "five hundred three trillion, four hundred twenty billion, three hundred thirty million, forty-two thousand, nine hundred eighty-eight".