3543505380 has 120 divisors (see below), whose sum is σ = 11282365248. Its totient is φ = 930802752.

The previous prime is 3543505379. The next prime is 3543505397. The reversal of 3543505380 is 835053453.

3543505380 is a `hidden beast` number, since 35 + 43 + 50 + 538 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92217 + ... + 124863.

Almost surely, 2^3543505380 is an apocalyptic number.

3543505380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3543505380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5641182624).

3543505380 is an abundant number, since it is smaller than the sum of its proper divisors (7738859868).

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

3543505380 is a wasteful number, since it uses less digits than its factorization.

3543505380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32735 (or 32724 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3543505380 is about 59527.3498486200. The cubic root of 3543505380 is about 1524.5594542208.

The spelling of 3543505380 in words is "three billion, five hundred forty-three million, five hundred five thousand, three hundred eighty".