3329231640 has 128 divisors (see below), whose sum is σ = 11426088960. Its totient is φ = 760195584.

The previous prime is 3329231617. The next prime is 3329231671. The reversal of 3329231640 is 461329233.

It is a super-2 number, since 2×3329231640² = 22167566625554179200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1454577 + ... + 1456863.

It is an arithmetic number, because the mean of its divisors is an integer number (89266320).

Almost surely, 2^3329231640 is an apocalyptic number.

3329231640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3329231640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5713044480).

3329231640 is an abundant number, since it is smaller than the sum of its proper divisors (8096857320).

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

3329231640 is a wasteful number, since it uses less digits than its factorization.

3329231640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 3329231640 is about 57699.4942785463. The cubic root of 3329231640 is about 1493.1886190992.

The spelling of 3329231640 in words is "three billion, three hundred twenty-nine million, two hundred thirty-one thousand, six hundred forty".