26028334436 has 12 divisors (see below), whose sum is σ = 49053399612. Its totient is φ = 12013077408.

The previous prime is 26028334393. The next prime is 26028334439. The reversal of 26028334436 is 63443382062.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4611768100 + 21416566336 = 67910^2 + 146344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26028334393 and 26028334402.

It is not an unprimeable number, because it can be changed into a prime (26028334439) 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, 250272395 + ... + 250272498.

It is an arithmetic number, because the mean of its divisors is an integer number (4087783301).

Almost surely, 2^26028334436 is an apocalyptic number.

26028334436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26028334436 is a deficient number, since it is larger than the sum of its proper divisors (23025065176).

26028334436 is a wasteful number, since it uses less digits than its factorization.

26028334436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500544910 (or 500544908 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 26028334436 in words is "twenty-six billion, twenty-eight million, three hundred thirty-four thousand, four hundred thirty-six".