6556340434 has 24 divisors (see below), whose sum is σ = 11462707980. Its totient is φ = 2804318496.

The previous prime is 6556340407. The next prime is 6556340437. The reversal of 6556340434 is 4340436556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6384809025 + 171531409 = 79905^2 + 13097^2 .

It is not an unprimeable number, because it can be changed into a prime (6556340437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15837 + ... + 115600.

Almost surely, 2^6556340434 is an apocalyptic number.

6556340434 is a deficient number, since it is larger than the sum of its proper divisors (4906367546).

6556340434 is a wasteful number, since it uses less digits than its factorization.

6556340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131962 (or 131955 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 6556340434 is about 80971.2321383342. The cubic root of 6556340434 is about 1871.6321584776.

The spelling of 6556340434 in words is "six billion, five hundred fifty-six million, three hundred forty thousand, four hundred thirty-four".