25433243044 has 24 divisors (see below), whose sum is σ = 49377333600. Its totient is φ = 11364622080.

The previous prime is 25433243021. The next prime is 25433243047. The reversal of 25433243044 is 44034233452.

It is not an unprimeable number, because it can be changed into a prime (25433243047) 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, 4895949 + ... + 4901140.

It is an arithmetic number, because the mean of its divisors is an integer number (2057388900).

Almost surely, 2^25433243044 is an apocalyptic number.

It is an amenable number.

25433243044 is a deficient number, since it is larger than the sum of its proper divisors (23944090556).

25433243044 is a wasteful number, since it uses less digits than its factorization.

25433243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797163 (or 9797161 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 25433243044 its reverse (44034233452), we get a palindrome (69467476496).

The spelling of 25433243044 in words is "twenty-five billion, four hundred thirty-three million, two hundred forty-three thousand, forty-four".