26128854836 has 24 divisors (see below), whose sum is σ = 53037679296. Its totient is φ = 11030944320.

The previous prime is 26128854823. The next prime is 26128854881. The reversal of 26128854836 is 63845882162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6962105 + ... + 6965856.

It is an arithmetic number, because the mean of its divisors is an integer number (2209903304).

Almost surely, 2^26128854836 is an apocalyptic number.

It is an amenable number.

26128854836 is an abundant number, since it is smaller than the sum of its proper divisors (26908824460).

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

26128854836 is a wasteful number, since it uses less digits than its factorization.

26128854836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928039 (or 13928037 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 26128854836 in words is "twenty-six billion, one hundred twenty-eight million, eight hundred fifty-four thousand, eight hundred thirty-six".