25293085444 has 27 divisors (see below), whose sum is σ = 48659339701. Its totient is φ = 11495266640.

The previous prime is 25293085423. The next prime is 25293085451. The reversal of 25293085444 is 44458039252.

The square root of 25293085444 is 159038.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25237135044 + 55950400 = 158862^2 + 7480^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25293085394 and 25293085403.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3495222 + ... + 3502450.

Almost surely, 2^25293085444 is an apocalyptic number.

25293085444 is the 159038-th square number.

It is an amenable number.

25293085444 is a deficient number, since it is larger than the sum of its proper divisors (23366254257).

25293085444 is an frugal number, since it uses more digits than its factorization.

25293085444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 25293085444 in words is "twenty-five billion, two hundred ninety-three million, eighty-five thousand, four hundred forty-four".