26392538641 has 16 divisors (see below), whose sum is σ = 32001264000. Its totient is φ = 21248743680.

The previous prime is 26392538621. The next prime is 26392538651. The reversal of 26392538641 is 14683529362.

It is a cyclic number.

It is not a de Polignac number, because 26392538641 - 2⁵ = 26392538609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26392538611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162850 + ... + 281611.

It is an arithmetic number, because the mean of its divisors is an integer number (2000079000).

Almost surely, 2^26392538641 is an apocalyptic number.

It is an amenable number.

26392538641 is a deficient number, since it is larger than the sum of its proper divisors (5608725359).

26392538641 is a wasteful number, since it uses less digits than its factorization.

26392538641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444984.

The product of its digits is 1866240, while the sum is 49.

The spelling of 26392538641 in words is "twenty-six billion, three hundred ninety-two million, five hundred thirty-eight thousand, six hundred forty-one".