3243157008 has 320 divisors, whose sum is σ = 10911301632. Its totient is φ = 807045120.

The previous prime is 3243156989. The next prime is 3243157009. The reversal of 3243157008 is 8007513423.

It is a self number, because there is not a number n which added to its sum of digits gives 3243157008.

It is not an unprimeable number, because it can be changed into a prime (3243157009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5822266 + ... + 5822822.

Almost surely, 2^3243157008 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 3243157008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5455650816).

3243157008 is an abundant number, since it is smaller than the sum of its proper divisors (7668144624).

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

3243157008 is a wasteful number, since it uses less digits than its factorization.

3243157008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3243157008 is about 56948.7226195636. The cubic root of 3243157008 is about 1480.2076966853.

The spelling of 3243157008 in words is "three billion, two hundred forty-three million, one hundred fifty-seven thousand, eight".