2538560628 has 48 divisors (see below), whose sum is σ = 6689363520. Its totient is φ = 832312800.

The previous prime is 2538560597. The next prime is 2538560671. The reversal of 2538560628 is 8260658352.

2538560628 is a `hidden beast` number, since 2 + 5 + 38 + 5 + 606 + 2 + 8 = 666.

It is a congruent number.

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, 186078 + ... + 199253.

It is an arithmetic number, because the mean of its divisors is an integer number (139361740).

Almost surely, 2^2538560628 is an apocalyptic number.

It is an amenable number.

2538560628 is an abundant number, since it is smaller than the sum of its proper divisors (4150802892).

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

2538560628 is a wasteful number, since it uses less digits than its factorization.

2538560628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385405 (or 385397 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2538560628 is about 50384.1307159308. The cubic root of 2538560628 is about 1364.1512124423.

The spelling of 2538560628 in words is "two billion, five hundred thirty-eight million, five hundred sixty thousand, six hundred twenty-eight".