25004440052 has 24 divisors (see below), whose sum is σ = 44383852800. Its totient is φ = 12323417120.

The previous prime is 25004440051. The next prime is 25004440073.

25004440052 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004440051) 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, 2052074 + ... + 2064222.

It is an arithmetic number, because the mean of its divisors is an integer number (1849327200).

Almost surely, 2^25004440052 is an apocalyptic number.

It is an amenable number.

25004440052 is a deficient number, since it is larger than the sum of its proper divisors (19379412748).

25004440052 is a wasteful number, since it uses less digits than its factorization.

25004440052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19471 (or 19469 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The spelling of 25004440052 in words is "twenty-five billion, four million, four hundred forty thousand, fifty-two".