3216525540 has 48 divisors (see below), whose sum is σ = 9026676288. Its totient is φ = 855796864.

The previous prime is 3216525503. The next prime is 3216525569. The reversal of 3216525540 is 455256123.

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 15 ways as a sum of consecutive naturals, for example, 33927 + ... + 87086.

It is an arithmetic number, because the mean of its divisors is an integer number (188055756).

Almost surely, 2^3216525540 is an apocalyptic number.

3216525540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3216525540 is an abundant number, since it is smaller than the sum of its proper divisors (5810150748).

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

3216525540 is a wasteful number, since it uses less digits than its factorization.

3216525540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121468 (or 121466 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 3216525540 is about 56714.4209174351. The cubic root of 3216525540 is about 1476.1449373320.

The spelling of 3216525540 in words is "three billion, two hundred sixteen million, five hundred twenty-five thousand, five hundred forty".