25474410128 has 10 divisors (see below), whose sum is σ = 49356669654. Its totient is φ = 12737205056.

The previous prime is 25474410067. The next prime is 25474410163. The reversal of 25474410128 is 82101447452.

It can be written as a sum of positive squares in only one way, i.e., 16233817744 + 9240592384 = 127412^2 + 96128^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25474410091 and 25474410100.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 796075301 + ... + 796075332.

Almost surely, 2^25474410128 is an apocalyptic number.

It is an amenable number.

25474410128 is a deficient number, since it is larger than the sum of its proper divisors (23882259526).

25474410128 is a wasteful number, since it uses less digits than its factorization.

25474410128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592150641 (or 1592150635 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 25474410128 in words is "twenty-five billion, four hundred seventy-four million, four hundred ten thousand, one hundred twenty-eight".