25625635628 has 12 divisors (see below), whose sum is σ = 44965092480. Its totient is φ = 12778466352.

The previous prime is 25625635621. The next prime is 25625635643. The reversal of 25625635628 is 82653652652.

It is not an unprimeable number, because it can be changed into a prime (25625635621) 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 3 ways as a sum of consecutive naturals, for example, 8586188 + ... + 8589171.

It is an arithmetic number, because the mean of its divisors is an integer number (3747091040).

Almost surely, 2^25625635628 is an apocalyptic number.

It is an amenable number.

25625635628 is a deficient number, since it is larger than the sum of its proper divisors (19339456852).

25625635628 is a wasteful number, since it uses less digits than its factorization.

25625635628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17175736 (or 17175734 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 50.

The spelling of 25625635628 in words is "twenty-five billion, six hundred twenty-five million, six hundred thirty-five thousand, six hundred twenty-eight".