3811768044 has 24 divisors (see below), whose sum is σ = 10164715008. Its totient is φ = 1089076560.

The previous prime is 3811768043. The next prime is 3811768069. The reversal of 3811768044 is 4408671183.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3811767987 and 3811768005.

It is not an unprimeable number, because it can be changed into a prime (3811768043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22689012 + ... + 22689179.

It is an arithmetic number, because the mean of its divisors is an integer number (423529792).

Almost surely, 2^3811768044 is an apocalyptic number.

It is an amenable number.

3811768044 is an abundant number, since it is smaller than the sum of its proper divisors (6352946964).

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

3811768044 is a wasteful number, since it uses less digits than its factorization.

3811768044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45378205 (or 45378203 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 3811768044 is about 61739.5176851909. The cubic root of 3811768044 is about 1562.0999611963.

The spelling of 3811768044 in words is "three billion, eight hundred eleven million, seven hundred sixty-eight thousand, forty-four".