2605004430 has 64 divisors (see below), whose sum is σ = 7199774208. Its totient is φ = 590878080.

The previous prime is 2605004419. The next prime is 2605004459. The reversal of 2605004430 is 344005062.

2605004430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2605004430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19837 + ... + 74856.

It is an arithmetic number, because the mean of its divisors is an integer number (112496472).

Almost surely, 2^2605004430 is an apocalyptic number.

2605004430 is an abundant number, since it is smaller than the sum of its proper divisors (4594769778).

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

2605004430 is a wasteful number, since it uses less digits than its factorization.

2605004430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94841.

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

The square root of 2605004430 is about 51039.2440186960. The cubic root of 2605004430 is about 1375.9505370127.

Adding to 2605004430 its reverse (344005062), we get a palindrome (2949009492).

The spelling of 2605004430 in words is "two billion, six hundred five million, four thousand, four hundred thirty".