26481307654 has 16 divisors (see below), whose sum is σ = 40258944000. Its totient is φ = 13061944584.

The previous prime is 26481307651. The next prime is 26481307663. The reversal of 26481307654 is 45670318462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26481307651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116947 + ... + 258145.

It is an arithmetic number, because the mean of its divisors is an integer number (2516184000).

Almost surely, 2^26481307654 is an apocalyptic number.

26481307654 is a deficient number, since it is larger than the sum of its proper divisors (13777636346).

26481307654 is a wasteful number, since it uses less digits than its factorization.

26481307654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142467.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 26481307654 in words is "twenty-six billion, four hundred eighty-one million, three hundred seven thousand, six hundred fifty-four".