3520032660 has 48 divisors (see below), whose sum is σ = 10951214400. Its totient is φ = 938675232.

The previous prime is 3520032643. The next prime is 3520032661. The reversal of 3520032660 is 662300253.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520032661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3258750 + ... + 3259829.

It is an arithmetic number, because the mean of its divisors is an integer number (228150300).

Almost surely, 2^3520032660 is an apocalyptic number.

3520032660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3520032660 is an abundant number, since it is smaller than the sum of its proper divisors (7431181740).

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

3520032660 is a wasteful number, since it uses less digits than its factorization.

3520032660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518597 (or 6518589 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3520032660 is about 59329.8631382207. The cubic root of 3520032660 is about 1521.1856890032.

The spelling of 3520032660 in words is "three billion, five hundred twenty million, thirty-two thousand, six hundred sixty".