3995411728 has 80 divisors (see below), whose sum is σ = 9773660160. Its totient is φ = 1536912000.

The previous prime is 3995411699. The next prime is 3995411741. The reversal of 3995411728 is 8271145993.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76803 + ... + 117853.

It is an arithmetic number, because the mean of its divisors is an integer number (122170752).

Almost surely, 2^3995411728 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 3995411728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4886830080).

3995411728 is an abundant number, since it is smaller than the sum of its proper divisors (5778248432).

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

3995411728 is a wasteful number, since it uses less digits than its factorization.

3995411728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41156 (or 41150 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 3995411728 is about 63209.2693202508. The cubic root of 3995411728 is about 1586.7938674317.

The spelling of 3995411728 in words is "three billion, nine hundred ninety-five million, four hundred eleven thousand, seven hundred twenty-eight".