26400307672 has 16 divisors (see below), whose sum is σ = 51652776240. Its totient is φ = 12626234016.

The previous prime is 26400307667. The next prime is 26400307691. The reversal of 26400307672 is 27670300462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71739783 + ... + 71740150.

It is an arithmetic number, because the mean of its divisors is an integer number (3228298515).

Almost surely, 2^26400307672 is an apocalyptic number.

It is an amenable number.

26400307672 is a deficient number, since it is larger than the sum of its proper divisors (25252468568).

26400307672 is a wasteful number, since it uses less digits than its factorization.

26400307672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143479962 (or 143479958 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 26400307672 in words is "twenty-six billion, four hundred million, three hundred seven thousand, six hundred seventy-two".