3814788644 has 48 divisors (see below), whose sum is σ = 7368641280. Its totient is φ = 1719943680.

The previous prime is 3814788643. The next prime is 3814788713. The reversal of 3814788644 is 4468874183.

It is a super-2 number, since 2×3814788644² = 29105224796782717472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3814788641) by changing a digit.

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, 250949 + ... + 265715.

It is an arithmetic number, because the mean of its divisors is an integer number (153513360).

Almost surely, 2^3814788644 is an apocalyptic number.

3814788644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3814788644 is a deficient number, since it is larger than the sum of its proper divisors (3553852636).

3814788644 is a wasteful number, since it uses less digits than its factorization.

3814788644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14948 (or 14946 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The square root of 3814788644 is about 61763.9752930460. The cubic root of 3814788644 is about 1562.5124760945.

The spelling of 3814788644 in words is "three billion, eight hundred fourteen million, seven hundred eighty-eight thousand, six hundred forty-four".