3216868290 has 32 divisors (see below), whose sum is σ = 8578316160. Its totient is φ = 857831472.

The previous prime is 3216868289. The next prime is 3216868309. The reversal of 3216868290 is 928686123.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 5956894 + ... + 5957433.

It is an arithmetic number, because the mean of its divisors is an integer number (268072380).

Almost surely, 2^3216868290 is an apocalyptic number.

3216868290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3216868290 is an abundant number, since it is smaller than the sum of its proper divisors (5361447870).

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

3216868290 is a wasteful number, since it uses less digits than its factorization.

3216868290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914343 (or 11914337 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3216868290 is about 56717.4425551787. The cubic root of 3216868290 is about 1476.1973676848.

The spelling of 3216868290 in words is "three billion, two hundred sixteen million, eight hundred sixty-eight thousand, two hundred ninety".