26405327672 has 24 divisors (see below), whose sum is σ = 52252930800. Its totient is φ = 12507785424.

The previous prime is 26405327671. The next prime is 26405327677. The reversal of 26405327672 is 27672350462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26405327671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4568672 + ... + 4574447.

It is an arithmetic number, because the mean of its divisors is an integer number (2177205450).

Almost surely, 2^26405327672 is an apocalyptic number.

It is an amenable number.

26405327672 is a deficient number, since it is larger than the sum of its proper divisors (25847603128).

26405327672 is a wasteful number, since it uses less digits than its factorization.

26405327672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143163 (or 9143140 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 26405327672 in words is "twenty-six billion, four hundred five million, three hundred twenty-seven thousand, six hundred seventy-two".