2600542004 has 6 divisors (see below), whose sum is σ = 4550948514. Its totient is φ = 1300271000.

The previous prime is 2600542001. The next prime is 2600542013. The reversal of 2600542004 is 4002450062.

It can be written as a sum of positive squares in only one way, i.e., 2485022500 + 115519504 = 49850^2 + 10748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2600542001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325067747 + ... + 325067754.

It is an arithmetic number, because the mean of its divisors is an integer number (758491419).

Almost surely, 2^2600542004 is an apocalyptic number.

It is an amenable number.

2600542004 is a deficient number, since it is larger than the sum of its proper divisors (1950406510).

2600542004 is a wasteful number, since it uses less digits than its factorization.

2600542004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650135505 (or 650135503 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2600542004 is about 50995.5096454580. The cubic root of 2600542004 is about 1375.1644107977.

Adding to 2600542004 its reverse (4002450062), we get a palindrome (6602992066).

The spelling of 2600542004 in words is "two billion, six hundred million, five hundred forty-two thousand, four".