2604003840 has 120 divisors (see below), whose sum is σ = 9018477468. Its totient is φ = 694394880.

The previous prime is 2604003833. The next prime is 2604003869. The reversal of 2604003840 is 483004062.

It can be written as a sum of positive squares in 2 ways, for example, as 2593661184 + 10342656 = 50928^2 + 3216^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33471 + ... + 79550.

Almost surely, 2^2604003840 is an apocalyptic number.

2604003840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2604003840 is an abundant number, since it is smaller than the sum of its proper divisors (6414473628).

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

2604003840 is a wasteful number, since it uses less digits than its factorization.

2604003840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113050 (or 113031 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2604003840 is about 51029.4409140449. The cubic root of 2604003840 is about 1375.7743455454.

The spelling of 2604003840 in words is "two billion, six hundred four million, three thousand, eight hundred forty".