2505655344 has 80 divisors (see below), whose sum is σ = 6538145024. Its totient is φ = 826848000.

The previous prime is 2505655289. The next prime is 2505655357. The reversal of 2505655344 is 4435565052.

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, 3790374 + ... + 3791034.

Almost surely, 2^2505655344 is an apocalyptic number.

2505655344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2505655344 is an abundant number, since it is smaller than the sum of its proper divisors (4032489680).

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

2505655344 is a wasteful number, since it uses less digits than its factorization.

2505655344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The square root of 2505655344 is about 50056.5214932081. The cubic root of 2505655344 is about 1358.2314352691.

The spelling of 2505655344 in words is "two billion, five hundred five million, six hundred fifty-five thousand, three hundred forty-four".