3268721412 has 48 divisors (see below), whose sum is σ = 9244872000. Its totient is φ = 990521280.

The previous prime is 3268721389. The next prime is 3268721413. The reversal of 3268721412 is 2141278623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3268721413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374537 + ... + 1376912.

It is an arithmetic number, because the mean of its divisors is an integer number (192601500).

Almost surely, 2^3268721412 is an apocalyptic number.

It is an amenable number.

3268721412 is an abundant number, since it is smaller than the sum of its proper divisors (5976150588).

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

3268721412 is a wasteful number, since it uses less digits than its factorization.

3268721412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751473 (or 2751465 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 3268721412 is about 57172.7331164079. The cubic root of 3268721412 is about 1484.0868010586.

The spelling of 3268721412 in words is "three billion, two hundred sixty-eight million, seven hundred twenty-one thousand, four hundred twelve".