3995044480 has 128 divisors (see below), whose sum is σ = 11138400000. Its totient is φ = 1369654272.

The previous prime is 3995044463. The next prime is 3995044507. The reversal of 3995044480 is 844405993.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 3995044480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210421 + ... + 228619.

It is an arithmetic number, because the mean of its divisors is an integer number (87018750).

Almost surely, 2^3995044480 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 3995044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569200000).

3995044480 is an abundant number, since it is smaller than the sum of its proper divisors (7143355520).

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

3995044480 is an equidigital number, since it uses as much as digits as its factorization.

3995044480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18239 (or 18213 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 3995044480 is about 63206.3642365229. The cubic root of 3995044480 is about 1586.7452479343.

The spelling of 3995044480 in words is "three billion, nine hundred ninety-five million, forty-four thousand, four hundred eighty".