2604791808 has 72 divisors (see below), whose sum is σ = 7523170200. Its totient is φ = 868257792.

The previous prime is 2604791807. The next prime is 2604791821. The reversal of 2604791808 is 8081974062.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604791807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52228 + ... + 89091.

It is an arithmetic number, because the mean of its divisors is an integer number (104488475).

Almost surely, 2^2604791808 is an apocalyptic number.

It is an amenable number.

2604791808 is an abundant number, since it is smaller than the sum of its proper divisors (4918378392).

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

2604791808 is a wasteful number, since it uses less digits than its factorization.

2604791808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141347 (or 141324 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2604791808 is about 51037.1610495725. The cubic root of 2604791808 is about 1375.9131006956.

It can be divided in two parts, 26047 and 91808, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 2604791808 in words is "two billion, six hundred four million, seven hundred ninety-one thousand, eight hundred eight".