503420330043000 has 448 divisors, whose sum is σ = 1769302895349600. Its totient is φ = 134009378726400.

The previous prime is 503420330042989. The next prime is 503420330043053. The reversal of 503420330043000 is 340033024305.

It is a happy number.

503420330043000 is a `hidden beast` number, since 5 + 0 + 3 + 4 + 20 + 330 + 0 + 4 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 414194179 + ... + 415407821.

Almost surely, 2^{503420330043000} is an apocalyptic number.

503420330043000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503420330043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884651447674800).

503420330043000 is an abundant number, since it is smaller than the sum of its proper divisors (1265882565306600).

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

503420330043000 is a wasteful number, since it uses less digits than its factorization.

503420330043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214251 (or 1214222 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 503420330043000 its reverse (340033024305), we get a palindrome (503760363067305).

The spelling of 503420330043000 in words is "five hundred three trillion, four hundred twenty billion, three hundred thirty million, forty-three thousand".