39385226656 has 24 divisors (see below), whose sum is σ = 80213448420. Its totient is φ = 19013557248.

The previous prime is 39385226653. The next prime is 39385226659. The reversal of 39385226656 is 65662258393.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39385226653) and next prime (39385226659).

It can be written as a sum of positive squares in 2 ways, for example, as 39275312400 + 109914256 = 198180^2 + 10484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39385226597 and 39385226606.

It is not an unprimeable number, because it can be changed into a prime (39385226653) by changing a digit.

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, 21219561 + ... + 21221416.

Almost surely, 2^39385226656 is an apocalyptic number.

It is an amenable number.

39385226656 is an abundant number, since it is smaller than the sum of its proper divisors (40828221764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39385226656 is a wasteful number, since it uses less digits than its factorization.

39385226656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42441016 (or 42441008 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 55.

The spelling of 39385226656 in words is "thirty-nine billion, three hundred eighty-five million, two hundred twenty-six thousand, six hundred fifty-six".