2603841640 has 32 divisors (see below), whose sum is σ = 5860197000. Its totient is φ = 1041260544.

The previous prime is 2603841629. The next prime is 2603841641. The reversal of 2603841640 is 461483062.

2603841640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2390623236 + 213218404 = 48894^2 + 14602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2603841596 and 2603841605.

It is not an unprimeable number, because it can be changed into a prime (2603841641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216916 + ... + 228604.

Almost surely, 2^2603841640 is an apocalyptic number.

2603841640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2603841640 is an abundant number, since it is smaller than the sum of its proper divisors (3256355360).

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

2603841640 is a wasteful number, since it uses less digits than its factorization.

2603841640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17269 (or 17265 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2603841640 is about 51027.8516106645. The cubic root of 2603841640 is about 1375.7457798896.

The spelling of 2603841640 in words is "two billion, six hundred three million, eight hundred forty-one thousand, six hundred forty".