26472647444 has 6 divisors (see below), whose sum is σ = 46327133034. Its totient is φ = 13236323720.

The previous prime is 26472647417. The next prime is 26472647459. The reversal of 26472647444 is 44474627462.

It can be written as a sum of positive squares in only one way, i.e., 24786723844 + 1685923600 = 157438^2 + 41060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26472647392 and 26472647401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3309080927 + ... + 3309080934.

It is an arithmetic number, because the mean of its divisors is an integer number (7721188839).

Almost surely, 2^26472647444 is an apocalyptic number.

It is an amenable number.

26472647444 is a deficient number, since it is larger than the sum of its proper divisors (19854485590).

26472647444 is a wasteful number, since it uses less digits than its factorization.

26472647444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618161865 (or 6618161863 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 50.

The spelling of 26472647444 in words is "twenty-six billion, four hundred seventy-two million, six hundred forty-seven thousand, four hundred forty-four".