26240050404 has 18 divisors (see below), whose sum is σ = 66329016390. Its totient is φ = 8746683456.

The previous prime is 26240050393. The next prime is 26240050427. The reversal of 26240050404 is 40405004262.

It can be written as a sum of positive squares in only one way, i.e., 25920356004 + 319694400 = 160998^2 + 17880^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364445109 + ... + 364445180.

It is an arithmetic number, because the mean of its divisors is an integer number (3684945355).

Almost surely, 2^26240050404 is an apocalyptic number.

It is an amenable number.

26240050404 is an abundant number, since it is smaller than the sum of its proper divisors (40088965986).

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

26240050404 is a wasteful number, since it uses less digits than its factorization.

26240050404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728890299 (or 728890294 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 26240050404 its reverse (40405004262), we get a palindrome (66645054666).

The spelling of 26240050404 in words is "twenty-six billion, two hundred forty million, fifty thousand, four hundred four".