503401124400 has 240 divisors, whose sum is σ = 1620945300480. Its totient is φ = 133544448000.

The previous prime is 503401124381. The next prime is 503401124417. The reversal of 503401124400 is 4421104305.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211245609 + ... + 211247991.

It is an arithmetic number, because the mean of its divisors is an integer number (6753938752).

Almost surely, 2^503401124400 is an apocalyptic number.

503401124400 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 503401124400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810472650240).

503401124400 is an abundant number, since it is smaller than the sum of its proper divisors (1117544176080).

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

503401124400 is a wasteful number, since it uses less digits than its factorization.

503401124400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 503401124400 its reverse (4421104305), we get a palindrome (507822228705).

The spelling of 503401124400 in words is "five hundred three billion, four hundred one million, one hundred twenty-four thousand, four hundred".