26228872148 has 12 divisors (see below), whose sum is σ = 46156955040. Its totient is φ = 13041170712.

The previous prime is 26228872091. The next prime is 26228872213. The reversal of 26228872148 is 84127882262.

It is a happy number.

It is a super-2 number, since 2×26228872148² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26228872096 and 26228872105.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18315536 + ... + 18316967.

It is an arithmetic number, because the mean of its divisors is an integer number (3846412920).

Almost surely, 2^26228872148 is an apocalyptic number.

It is an amenable number.

26228872148 is a deficient number, since it is larger than the sum of its proper divisors (19928082892).

26228872148 is a wasteful number, since it uses less digits than its factorization.

26228872148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36632686 (or 36632684 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 50.

The spelling of 26228872148 in words is "twenty-six billion, two hundred twenty-eight million, eight hundred seventy-two thousand, one hundred forty-eight".