2604880428 has 12 divisors (see below), whose sum is σ = 6078054360. Its totient is φ = 868293472.

The previous prime is 2604880409. The next prime is 2604880441. The reversal of 2604880428 is 8240884062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2604880428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108536673 + ... + 108536696.

It is an arithmetic number, because the mean of its divisors is an integer number (506504530).

Almost surely, 2^2604880428 is an apocalyptic number.

It is an amenable number.

2604880428 is an abundant number, since it is smaller than the sum of its proper divisors (3473173932).

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

2604880428 is a wasteful number, since it uses less digits than its factorization.

2604880428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217073376 (or 217073374 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 2604880428 is about 51038.0292331120. The cubic root of 2604880428 is about 1375.9287042506.

The spelling of 2604880428 in words is "two billion, six hundred four million, eight hundred eighty thousand, four hundred twenty-eight".