25679226000 has 80 divisors (see below), whose sum is σ = 82789843968. Its totient is φ = 6847792000.

The previous prime is 25679225989. The next prime is 25679226007. The reversal of 25679226000 is 62297652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 25679226000.

It is not an unprimeable number, because it can be changed into a prime (25679226007) 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, 2133936 + ... + 2145935.

Almost surely, 2^25679226000 is an apocalyptic number.

25679226000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25679226000 is an abundant number, since it is smaller than the sum of its proper divisors (57110617968).

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

25679226000 is a wasteful number, since it uses less digits than its factorization.

25679226000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279897 (or 4279881 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 25679226000 in words is "twenty-five billion, six hundred seventy-nine million, two hundred twenty-six thousand".