25004044052 has 24 divisors (see below), whose sum is σ = 47162622696. Its totient is φ = 11530626048.

The previous prime is 25004044031. The next prime is 25004044097. The reversal of 25004044052 is 25044040052.

It can be written as a sum of positive squares in 4 ways, for example, as 928177156 + 24075866896 = 30466^2 + 155164^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 139493 + ... + 263564.

It is an arithmetic number, because the mean of its divisors is an integer number (1965109279).

Almost surely, 2^25004044052 is an apocalyptic number.

It is an amenable number.

25004044052 is a deficient number, since it is larger than the sum of its proper divisors (22158578644).

25004044052 is a wasteful number, since it uses less digits than its factorization.

25004044052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404267 (or 404265 counting only the distinct ones).

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

The spelling of 25004044052 in words is "twenty-five billion, four million, forty-four thousand, fifty-two".