2603403503248 has 80 divisors (see below), whose sum is σ = 5444722229760. Its totient is φ = 1201320327168.

The previous prime is 2603403503221. The next prime is 2603403503279. The reversal of 2603403503248 is 8423053043062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2603403503248.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25306411 + ... + 25409077.

It is an arithmetic number, because the mean of its divisors is an integer number (68059027872).

Almost surely, 2^{2603403503248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2603403503248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722361114880).

2603403503248 is an abundant number, since it is smaller than the sum of its proper divisors (2841318726512).

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

2603403503248 is a wasteful number, since it uses less digits than its factorization.

2603403503248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104504 (or 104498 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 2603403503248 in words is "two trillion, six hundred three billion, four hundred three million, five hundred three thousand, two hundred forty-eight".