3201765280 has 96 divisors (see below), whose sum is σ = 8725885056. Its totient is φ = 1087448064.

The previous prime is 3201765263. The next prime is 3201765313. The reversal of 3201765280 is 825671023.

It is a happy number.

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, 106482 + ... + 133198.

It is an arithmetic number, because the mean of its divisors is an integer number (90894636).

Almost surely, 2^3201765280 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 3201765280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4362942528).

3201765280 is an abundant number, since it is smaller than the sum of its proper divisors (5524119776).

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

3201765280 is a wasteful number, since it uses less digits than its factorization.

3201765280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26846 (or 26838 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3201765280 is about 56584.1433618995. The cubic root of 3201765280 is about 1473.8835224409.

The spelling of 3201765280 in words is "three billion, two hundred one million, seven hundred sixty-five thousand, two hundred eighty".