3269984240 has 20 divisors (see below), whose sum is σ = 7602713544. Its totient is φ = 1307993664.

The previous prime is 3269984231. The next prime is 3269984243. The reversal of 3269984240 is 424899623.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3269984243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20437322 + ... + 20437481.

Almost surely, 2^3269984240 is an apocalyptic number.

It is an amenable number.

3269984240 is an abundant number, since it is smaller than the sum of its proper divisors (4332729304).

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

3269984240 is a wasteful number, since it uses less digits than its factorization.

3269984240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40874816 (or 40874810 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 3269984240 is about 57183.7760208260. The cubic root of 3269984240 is about 1484.2778956622.

The spelling of 3269984240 in words is "three billion, two hundred sixty-nine million, nine hundred eighty-four thousand, two hundred forty".