25726531752 has 48 divisors (see below), whose sum is σ = 71158501440. Its totient is φ = 8393051808.

The previous prime is 25726531709. The next prime is 25726531777. The reversal of 25726531752 is 25713562752.

25726531752 is a `hidden beast` number, since 2 + 572 + 6 + 5 + 3 + 1 + 75 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25726531698 and 25726531707.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3797818 + ... + 3804585.

It is an arithmetic number, because the mean of its divisors is an integer number (1482468780).

Almost surely, 2^25726531752 is an apocalyptic number.

It is an amenable number.

25726531752 is an abundant number, since it is smaller than the sum of its proper divisors (45431969688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25726531752 is a wasteful number, since it uses less digits than its factorization.

25726531752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602462 (or 7602455 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The spelling of 25726531752 in words is "twenty-five billion, seven hundred twenty-six million, five hundred thirty-one thousand, seven hundred fifty-two".