2605201428 has 48 divisors (see below), whose sum is σ = 6300060480. Its totient is φ = 836903424.

The previous prime is 2605201411. The next prime is 2605201441. The reversal of 2605201428 is 8241025062.

It is a junction number, because it is equal to n+sod(n) for n = 2605201395 and 2605201404.

It is a congruent number.

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, 189276 + ... + 202572.

It is an arithmetic number, because the mean of its divisors is an integer number (131251260).

Almost surely, 2^2605201428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2605201428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3150030240).

2605201428 is an abundant number, since it is smaller than the sum of its proper divisors (3694859052).

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

2605201428 is a wasteful number, since it uses less digits than its factorization.

2605201428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896 (or 13894 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2605201428 is about 51041.1738501379. The cubic root of 2605201428 is about 1375.9852205968.

The spelling of 2605201428 in words is "two billion, six hundred five million, two hundred one thousand, four hundred twenty-eight".