25606433202 has 16 divisors (see below), whose sum is σ = 58528990272. Its totient is φ = 7316123760.

The previous prime is 25606433189. The next prime is 25606433207. The reversal of 25606433202 is 20233460652.

It is not an unprimeable number, because it can be changed into a prime (25606433207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304838449 + ... + 304838532.

It is an arithmetic number, because the mean of its divisors is an integer number (3658061892).

Almost surely, 2^25606433202 is an apocalyptic number.

25606433202 is an abundant number, since it is smaller than the sum of its proper divisors (32922557070).

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

25606433202 is a wasteful number, since it uses less digits than its factorization.

25606433202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609676993.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 25606433202 its reverse (20233460652), we get a palindrome (45839893854).

The spelling of 25606433202 in words is "twenty-five billion, six hundred six million, four hundred thirty-three thousand, two hundred two".