25672627652 has 24 divisors (see below), whose sum is σ = 51571458624. Its totient is φ = 10954082592.

The previous prime is 25672627627. The next prime is 25672627681.

25672627652 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25672627652.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2013203 + ... + 2025914.

It is an arithmetic number, because the mean of its divisors is an integer number (2148810776).

Almost surely, 2^25672627652 is an apocalyptic number.

It is an amenable number.

25672627652 is an abundant number, since it is smaller than the sum of its proper divisors (25898830972).

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

25672627652 is a wasteful number, since it uses less digits than its factorization.

25672627652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039355 (or 4039353 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 25672627652 in words is "twenty-five billion, six hundred seventy-two million, six hundred twenty-seven thousand, six hundred fifty-two".