2604360640 has 112 divisors (see below), whose sum is σ = 7221638592. Its totient is φ = 876036096.

The previous prime is 2604360593. The next prime is 2604360641. The reversal of 2604360640 is 460634062.

2604360640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604360641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107752 + ... + 129688.

It is an arithmetic number, because the mean of its divisors is an integer number (64478916).

Almost surely, 2^2604360640 is an apocalyptic number.

2604360640 is a gapful number since it is divisible by the number (20) 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 2604360640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3610819296).

2604360640 is an abundant number, since it is smaller than the sum of its proper divisors (4617277952).

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

2604360640 is a wasteful number, since it uses less digits than its factorization.

2604360640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22014 (or 22004 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2604360640 is about 51032.9368153548. The cubic root of 2604360640 is about 1375.8371787692.

The spelling of 2604360640 in words is "two billion, six hundred four million, three hundred sixty thousand, six hundred forty".