25255528028 has 24 divisors (see below), whose sum is σ = 46541916960. Its totient is φ = 11967912000.

The previous prime is 25255528021. The next prime is 25255528057. The reversal of 25255528028 is 82082555252.

It is a self number, because there is not a number n which added to its sum of digits gives 25255528028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255528021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249223 + ... + 1269278.

It is an arithmetic number, because the mean of its divisors is an integer number (1939246540).

Almost surely, 2^25255528028 is an apocalyptic number.

It is an amenable number.

25255528028 is a deficient number, since it is larger than the sum of its proper divisors (21286388932).

25255528028 is a wasteful number, since it uses less digits than its factorization.

25255528028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518637 (or 2518635 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 25255528028 in words is "twenty-five billion, two hundred fifty-five million, five hundred twenty-eight thousand, twenty-eight".