8208940426 has 4 divisors (see below), whose sum is σ = 12313410642. Its totient is φ = 4104470212.

The previous prime is 8208940417. The next prime is 8208940469. The reversal of 8208940426 is 6240498028.

8208940426 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7971811225 + 237129201 = 89285^2 + 15399^2 .

It is a super-2 number, since 2×8208940426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052235105 + ... + 2052235108.

Almost surely, 2^8208940426 is an apocalyptic number.

8208940426 is a deficient number, since it is larger than the sum of its proper divisors (4104470216).

8208940426 is a wasteful number, since it uses less digits than its factorization.

8208940426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104470215.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 8208940426 is about 90603.2031773712. The cubic root of 8208940426 is about 2017.2622803450.

The spelling of 8208940426 in words is "eight billion, two hundred eight million, nine hundred forty thousand, four hundred twenty-six".