3995090944 has 60 divisors (see below), whose sum is σ = 8605007404. Its totient is φ = 1843789824.

The previous prime is 3995090927. The next prime is 3995090987. The reversal of 3995090944 is 4490905993.

It can be written as a sum of positive squares in 2 ways, for example, as 1425817600 + 2569273344 = 37760^2 + 50688^2 .

It is a super-2 number, since 2×3995090944² = 31921503301661622272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 3995090891 and 3995090900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203614 + ... + 222370.

Almost surely, 2^3995090944 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 3995090944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4302503702).

3995090944 is an abundant number, since it is smaller than the sum of its proper divisors (4609916460).

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

3995090944 is an equidigital number, since it uses as much as digits as its factorization.

3995090944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18798 (or 18772 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 3995090944 is about 63206.7317933778. The cubic root of 3995090944 is about 1586.7513994091.

The spelling of 3995090944 in words is "three billion, nine hundred ninety-five million, ninety thousand, nine hundred forty-four".