2603055540 has 24 divisors (see below), whose sum is σ = 7288555680. Its totient is φ = 694148128.

The previous prime is 2603055529. The next prime is 2603055569. The reversal of 2603055540 is 455503062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2603055498 and 2603055507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21692070 + ... + 21692189.

It is an arithmetic number, because the mean of its divisors is an integer number (303689820).

Almost surely, 2^2603055540 is an apocalyptic number.

2603055540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2603055540 is an abundant number, since it is smaller than the sum of its proper divisors (4685500140).

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

2603055540 is a wasteful number, since it uses less digits than its factorization.

2603055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43384271 (or 43384269 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2603055540 is about 51020.1483729712. The cubic root of 2603055540 is about 1375.6073200345.

The spelling of 2603055540 in words is "two billion, six hundred three million, fifty-five thousand, five hundred forty".