2545604404 has 24 divisors (see below), whose sum is σ = 5141622528. Its totient is φ = 1080170400.

The previous prime is 2545604381. The next prime is 2545604407. The reversal of 2545604404 is 4044065452.

It is a self number, because there is not a number n which added to its sum of digits gives 2545604404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545604407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447244 + ... + 452899.

It is an arithmetic number, because the mean of its divisors is an integer number (214234272).

Almost surely, 2^2545604404 is an apocalyptic number.

It is an amenable number.

2545604404 is an abundant number, since it is smaller than the sum of its proper divisors (2596018124).

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

2545604404 is a wasteful number, since it uses less digits than its factorization.

2545604404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900255 (or 900253 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 2545604404 is about 50453.9830340480. The cubic root of 2545604404 is about 1365.4117564349.

Adding to 2545604404 its reverse (4044065452), we get a palindrome (6589669856).

The spelling of 2545604404 in words is "two billion, five hundred forty-five million, six hundred four thousand, four hundred four".