2538604620 has 36 divisors (see below), whose sum is σ = 7700434560. Its totient is φ = 676961184.

The previous prime is 2538604613. The next prime is 2538604637. The reversal of 2538604620 is 264068352.

2538604620 is a `hidden beast` number, since 2 + 538 + 60 + 4 + 62 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7051500 + ... + 7051859.

It is an arithmetic number, because the mean of its divisors is an integer number (213900960).

Almost surely, 2^2538604620 is an apocalyptic number.

2538604620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538604620 is an abundant number, since it is smaller than the sum of its proper divisors (5161829940).

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

2538604620 is a wasteful number, since it uses less digits than its factorization.

2538604620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103374 (or 14103369 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2538604620 is about 50384.5672800710. The cubic root of 2538604620 is about 1364.1590924187.

The spelling of 2538604620 in words is "two billion, five hundred thirty-eight million, six hundred four thousand, six hundred twenty".