2305604400 has 480 divisors, whose sum is σ = 8801222400. Its totient is φ = 509644800.

The previous prime is 2305604393. The next prime is 2305604407. The reversal of 2305604400 is 44065032.

It is an interprime number because it is at equal distance from previous prime (2305604393) and next prime (2305604407).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2305604407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7273042 + ... + 7273358.

It is an arithmetic number, because the mean of its divisors is an integer number (18335880).

Almost surely, 2^2305604400 is an apocalyptic number.

2305604400 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 2305604400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4400611200).

2305604400 is an abundant number, since it is smaller than the sum of its proper divisors (6495618000).

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

2305604400 is a wasteful number, since it uses less digits than its factorization.

2305604400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2305604400 is about 48016.7095915578. The cubic root of 2305604400 is about 1321.0774031969.

Adding to 2305604400 its reverse (44065032), we get a palindrome (2349669432).

The spelling of 2305604400 in words is "two billion, three hundred five million, six hundred four thousand, four hundred".