3545682820 has 48 divisors (see below), whose sum is σ = 7781292288. Its totient is φ = 1355800320.

The previous prime is 3545682779. The next prime is 3545682851. The reversal of 3545682820 is 282865453.

3545682820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3441 + ... + 84280.

It is an arithmetic number, because the mean of its divisors is an integer number (162110256).

Almost surely, 2^3545682820 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 3545682820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3890646144).

3545682820 is an abundant number, since it is smaller than the sum of its proper divisors (4235609468).

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

3545682820 is a wasteful number, since it uses less digits than its factorization.

3545682820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87820 (or 87818 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 3545682820 is about 59545.6364480219. The cubic root of 3545682820 is about 1524.8716645564.

The spelling of 3545682820 in words is "three billion, five hundred forty-five million, six hundred eighty-two thousand, eight hundred twenty".