25550043210 has 48 divisors (see below), whose sum is σ = 66465393696. Its totient is φ = 6809726304.

The previous prime is 25550043191. The next prime is 25550043269. The reversal of 25550043210 is 1234005552.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 97197 + ... + 246063.

It is an arithmetic number, because the mean of its divisors is an integer number (1384695702).

Almost surely, 2^25550043210 is an apocalyptic number.

25550043210 is an abundant number, since it is smaller than the sum of its proper divisors (40915350486).

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

25550043210 is a wasteful number, since it uses less digits than its factorization.

25550043210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150787 (or 150784 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 25550043210 its reverse (1234005552), we get a palindrome (26784048762).

The spelling of 25550043210 in words is "twenty-five billion, five hundred fifty million, forty-three thousand, two hundred ten".