26204728042 has 8 divisors (see below), whose sum is σ = 39570898500. Its totient is φ = 13014428544.

The previous prime is 26204728003. The next prime is 26204728073. The reversal of 26204728042 is 24082740262.

It can be written as a sum of positive squares in 2 ways, for example, as 19538168841 + 6666559201 = 139779^2 + 81649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 26204727992 and 26204728010.

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, 43967367 + ... + 43967962.

Almost surely, 2^26204728042 is an apocalyptic number.

26204728042 is a deficient number, since it is larger than the sum of its proper divisors (13366170458).

26204728042 is a wasteful number, since it uses less digits than its factorization.

26204728042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87935480.

The product of its (nonzero) digits is 86016, while the sum is 37.

The spelling of 26204728042 in words is "twenty-six billion, two hundred four million, seven hundred twenty-eight thousand, forty-two".