3336172640 has 72 divisors (see below), whose sum is σ = 7936593840. Its totient is φ = 1325230080.

The previous prime is 3336172613. The next prime is 3336172643. The reversal of 3336172640 is 462716333.

3336172640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3336172640² = 22260095767769139200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3336172640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3336172643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9292781 + ... + 9293139.

It is an arithmetic number, because the mean of its divisors is an integer number (110230470).

Almost surely, 2^3336172640 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 3336172640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968296920).

3336172640 is an abundant number, since it is smaller than the sum of its proper divisors (4600421200).

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

3336172640 is an equidigital number, since it uses as much as digits as its factorization.

3336172640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 3336172640 is about 57759.6108020129. The cubic root of 3336172640 is about 1494.2255978965.

Adding to 3336172640 its reverse (462716333), we get a palindrome (3798888973).

The spelling of 3336172640 in words is "three billion, three hundred thirty-six million, one hundred seventy-two thousand, six hundred forty".