2604278648 has 32 divisors (see below), whose sum is σ = 5158900800. Its totient is φ = 1230483072.

The previous prime is 2604278629. The next prime is 2604278689. The reversal of 2604278648 is 8468724062.

2604278648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 108515 + ... + 130322.

It is an arithmetic number, because the mean of its divisors is an integer number (161215650).

Almost surely, 2^2604278648 is an apocalyptic number.

It is an amenable number.

2604278648 is a deficient number, since it is larger than the sum of its proper divisors (2554622152).

2604278648 is a wasteful number, since it uses less digits than its factorization.

2604278648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238919 (or 238915 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 2604278648 is about 51032.1334846977. The cubic root of 2604278648 is about 1375.8227403150.

The spelling of 2604278648 in words is "two billion, six hundred four million, two hundred seventy-eight thousand, six hundred forty-eight".