39685894422426 has 24 divisors (see below), whose sum is σ = 98269833808224. Its totient is φ = 11338826977800.

The previous prime is 39685894422401. The next prime is 39685894422437. The reversal of 39685894422426 is 62422449858693.

39685894422426 is a `hidden beast` number, since 3 + 9 + 6 + 85 + 89 + 4 + 42 + 2 + 426 = 666.

39685894422426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39685894422426² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157483707900 + ... + 157483708151.

It is an arithmetic number, because the mean of its divisors is an integer number (4094576408676).

Almost surely, 2^{39685894422426} is an apocalyptic number.

39685894422426 is an abundant number, since it is smaller than the sum of its proper divisors (58583939385798).

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

39685894422426 is a wasteful number, since it uses less digits than its factorization.

39685894422426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314967416066 (or 314967416063 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 72.

The spelling of 39685894422426 in words is "thirty-nine trillion, six hundred eighty-five billion, eight hundred ninety-four million, four hundred twenty-two thousand, four hundred twenty-six".