26163819428 has 12 divisors (see below), whose sum is σ = 45790549980. Its totient is φ = 13080805152.

The previous prime is 26163819421. The next prime is 26163819443. The reversal of 26163819428 is 82491836162.

It can be written as a sum of positive squares in 2 ways, for example, as 24654652324 + 1509167104 = 157018^2 + 38848^2 .

It is not an unprimeable number, because it can be changed into a prime (26163819421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221651 + ... + 318522.

It is an arithmetic number, because the mean of its divisors is an integer number (3815879165).

Almost surely, 2^26163819428 is an apocalyptic number.

It is an amenable number.

26163819428 is a deficient number, since it is larger than the sum of its proper divisors (19626730552).

26163819428 is a wasteful number, since it uses less digits than its factorization.

26163819428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552286 (or 552284 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The spelling of 26163819428 in words is "twenty-six billion, one hundred sixty-three million, eight hundred nineteen thousand, four hundred twenty-eight".