5266616420 has 24 divisors (see below), whose sum is σ = 11910656184. Its totient is φ = 1944596736.

The previous prime is 5266616389. The next prime is 5266616471. The reversal of 5266616420 is 246166625.

It can be written as a sum of positive squares in 4 ways, for example, as 536478244 + 4730138176 = 23162^2 + 68776^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10127849 + ... + 10128368.

It is an arithmetic number, because the mean of its divisors is an integer number (496277341).

Almost surely, 2^5266616420 is an apocalyptic number.

It is an amenable number.

5266616420 is an abundant number, since it is smaller than the sum of its proper divisors (6644039764).

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

5266616420 is a wasteful number, since it uses less digits than its factorization.

5266616420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20256239 (or 20256237 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 5266616420 is about 72571.4573368897. The cubic root of 5266616420 is about 1739.8450141604.

The spelling of 5266616420 in words is "five billion, two hundred sixty-six million, six hundred sixteen thousand, four hundred twenty".