2604220464 has 80 divisors (see below), whose sum is σ = 6835276800. Its totient is φ = 854251008.

The previous prime is 2604220459. The next prime is 2604220483. The reversal of 2604220464 is 4640224062.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360372 + ... + 1362284.

It is an arithmetic number, because the mean of its divisors is an integer number (85440960).

Almost surely, 2^2604220464 is an apocalyptic number.

2604220464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2604220464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3417638400).

2604220464 is an abundant number, since it is smaller than the sum of its proper divisors (4231056336).

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

2604220464 is a wasteful number, since it uses less digits than its factorization.

2604220464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2604220464 is about 51031.5634093254. The cubic root of 2604220464 is about 1375.8124941678.

The spelling of 2604220464 in words is "two billion, six hundred four million, two hundred twenty thousand, four hundred sixty-four".