26203143728 has 20 divisors (see below), whose sum is σ = 50778182280. Its totient is φ = 13099096704.

The previous prime is 26203143727. The next prime is 26203143797. The reversal of 26203143728 is 82734130262.

It is a junction number, because it is equal to n+sod(n) for n = 26203143691 and 26203143700.

It is not an unprimeable number, because it can be changed into a prime (26203143727) 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, 65813 + ... + 238196.

It is an arithmetic number, because the mean of its divisors is an integer number (2538909114).

Almost surely, 2^26203143728 is an apocalyptic number.

It is an amenable number.

26203143728 is a deficient number, since it is larger than the sum of its proper divisors (24575038552).

26203143728 is a wasteful number, since it uses less digits than its factorization.

26203143728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309404 (or 309398 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 26203143728 in words is "twenty-six billion, two hundred three million, one hundred forty-three thousand, seven hundred twenty-eight".