5646556340 has 12 divisors (see below), whose sum is σ = 11857768356. Its totient is φ = 2258622528.

The previous prime is 5646556319. The next prime is 5646556381. The reversal of 5646556340 is 436556465.

It can be written as a sum of positive squares in 2 ways, for example, as 1737555856 + 3909000484 = 41684^2 + 62522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5646556291 and 5646556300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141163889 + ... + 141163928.

It is an arithmetic number, because the mean of its divisors is an integer number (988147363).

Almost surely, 2^5646556340 is an apocalyptic number.

It is an amenable number.

5646556340 is an abundant number, since it is smaller than the sum of its proper divisors (6211212016).

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

5646556340 is a wasteful number, since it uses less digits than its factorization.

5646556340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282327826 (or 282327824 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The square root of 5646556340 is about 75143.5715148009. The cubic root of 5646556340 is about 1780.7155667805.

The spelling of 5646556340 in words is "five billion, six hundred forty-six million, five hundred fifty-six thousand, three hundred forty".