25386600228 has 48 divisors (see below), whose sum is σ = 66704977920. Its totient is φ = 7444749600.

The previous prime is 25386600209. The next prime is 25386600229. The reversal of 25386600228 is 82200668352.

It is a super-2 number, since 2×25386600228² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25386600228.

It is not an unprimeable number, because it can be changed into a prime (25386600229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3097888 + ... + 3106071.

It is an arithmetic number, because the mean of its divisors is an integer number (1389687040).

Almost surely, 2^25386600228 is an apocalyptic number.

It is an amenable number.

25386600228 is an abundant number, since it is smaller than the sum of its proper divisors (41318377692).

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

25386600228 is a wasteful number, since it uses less digits than its factorization.

25386600228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204008 (or 6204006 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 25386600228 in words is "twenty-five billion, three hundred eighty-six million, six hundred thousand, two hundred twenty-eight".