3812995944 has 40 divisors (see below), whose sum is σ = 10679921010. Its totient is φ = 1270998432.

The previous prime is 3812995897. The next prime is 3812995993. The reversal of 3812995944 is 4495992183.

3812995944 is a `hidden beast` number, since 38 + 12 + 9 + 9 + 594 + 4 = 666.

3812995944 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3547631844 + 265364100 = 59562^2 + 16290^2 .

It is a super-2 number, since 2×3812995944² = 29077876137920902272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2941479 + ... + 2942774.

Almost surely, 2^3812995944 is an apocalyptic number.

It is an amenable number.

3812995944 is an abundant number, since it is smaller than the sum of its proper divisors (6866925066).

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

3812995944 is a wasteful number, since it uses less digits than its factorization.

3812995944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884271 (or 5884258 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3812995944 is about 61749.4610826686. The cubic root of 3812995944 is about 1562.2676783462.

The spelling of 3812995944 in words is "three billion, eight hundred twelve million, nine hundred ninety-five thousand, nine hundred forty-four".