3543640848 has 180 divisors, whose sum is σ = 11278301580. Its totient is φ = 1036654080.

The previous prime is 3543640801. The next prime is 3543640861. The reversal of 3543640848 is 8480463453.

3543640848 is a `hidden beast` number, since 3 + 543 + 64 + 0 + 8 + 48 = 666.

3543640848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2463335424 + 1080305424 = 49632^2 + 32868^2 .

It is a super-2 number, since 2×3543640848² = 25114780919228318208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 501790 + ... + 508802.

It is an arithmetic number, because the mean of its divisors is an integer number (62657231).

Almost surely, 2^3543640848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3543640848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5639150790).

3543640848 is an abundant number, since it is smaller than the sum of its proper divisors (7734660732).

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

3543640848 is a wasteful number, since it uses less digits than its factorization.

3543640848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078 (or 7058 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The square root of 3543640848 is about 59528.4877012679. The cubic root of 3543640848 is about 1524.5788819123.

The spelling of 3543640848 in words is "three billion, five hundred forty-three million, six hundred forty thousand, eight hundred forty-eight".