3545130680 has 128 divisors (see below), whose sum is σ = 9862473600. Its totient is φ = 1116813312.

The previous prime is 3545130679. The next prime is 3545130709. The reversal of 3545130680 is 860315453.

It is a Cunningham number, because it is equal to 59541²-1.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3545130680.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 831434 + ... + 835686.

It is an arithmetic number, because the mean of its divisors is an integer number (77050575).

Almost surely, 2^3545130680 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 3545130680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4931236800).

3545130680 is an abundant number, since it is smaller than the sum of its proper divisors (6317342920).

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

3545130680 is a wasteful number, since it uses less digits than its factorization.

3545130680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4509 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 3545130680 is about 59540.9999916024. Note that the first 5 decimals coincide. The cubic root of 3545130680 is about 1524.7925085433.

The spelling of 3545130680 in words is "three billion, five hundred forty-five million, one hundred thirty thousand, six hundred eighty".