2503503420 has 96 divisors (see below), whose sum is σ = 7675831296. Its totient is φ = 604627200.

The previous prime is 2503503377. The next prime is 2503503449. The reversal of 2503503420 is 243053052.

2503503420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171862 + ... + 185858.

It is an arithmetic number, because the mean of its divisors is an integer number (79956576).

Almost surely, 2^2503503420 is an apocalyptic number.

2503503420 is a gapful number since it is divisible by the number (20) 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 2503503420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3837915648).

2503503420 is an abundant number, since it is smaller than the sum of its proper divisors (5172327876).

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

2503503420 is a wasteful number, since it uses less digits than its factorization.

2503503420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291 (or 14289 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2503503420 is about 50035.0219346409. The cubic root of 2503503420 is about 1357.8424953777.

Adding to 2503503420 its reverse (243053052), we get a palindrome (2746556472).

The spelling of 2503503420 in words is "two billion, five hundred three million, five hundred three thousand, four hundred twenty".