25662226652 has 48 divisors (see below), whose sum is σ = 48413998080. Its totient is φ = 11865672000.

The previous prime is 25662226649. The next prime is 25662226693.

25662226652 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521453 + ... + 568539.

It is an arithmetic number, because the mean of its divisors is an integer number (1008624960).

Almost surely, 2^25662226652 is an apocalyptic number.

It is an amenable number.

25662226652 is a deficient number, since it is larger than the sum of its proper divisors (22751771428).

25662226652 is a wasteful number, since it uses less digits than its factorization.

25662226652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47282 (or 47280 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 25662226652 in words is "twenty-five billion, six hundred sixty-two million, two hundred twenty-six thousand, six hundred fifty-two".